lst=[["x^100*Ei(1,a*x)","x",1],
["x^2*Ei(1,a*x)","x",1],
["x*Ei(1,a*x)","x",1],
["Ei(1,a*x)","x",1],
["Ei(1,a*x)/x","x",1],
["Ei(1,a*x)/x^2","x",1],
["Ei(1,a*x)/x^3","x",1],
["Ei(1,a*x)/x^4","x",1],
["x^3/exp(a*x)","x",1],
["x^2/exp(a*x)","x",1],
["x/exp(a*x)","x",1],
["exp(-a*x)","x",1],
["1/exp(a*x)/x","x",1],
["1/exp(a*x)/x^2","x",1],
["1/exp(a*x)/x^3","x",1],
["1/exp(a*x)/x^4","x",1],
["x^100*exp(-a*x)*(a*x+1)","x",1],
["x^2*exp(-a*x)*(a*x+1)","x",1],
["x*exp(-a*x)*(a*x+1)","x",1],
["exp(-a*x)*(a*x+1)","x",1],
["exp(-a*x)*(a*x+1)/x","x",1],
["exp(-a*x)*(a*x+1)/x^2","x",1],
["exp(-a*x)*(a*x+1)/x^3","x",1],
["exp(-a*x)*(a*x+1)/x^4","x",1],
["2*x^100*exp(-a*x)*(1+a*x+1/2*a^2*x^2)","x",1],
["2*x^2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)","x",1],
["2*x*exp(-a*x)*(1+a*x+1/2*a^2*x^2)","x",1],
["2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)","x",1],
["2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)/x","x",1],
["2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)/x^2","x",1],
["2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)/x^3","x",1],
["2*exp(-a*x)*(1+a*x+1/2*a^2*x^2)/x^4","x",1],
["x^99/a*Ei(2,a*x)","x",1],
["x^2/a*Ei(2,a*x)","x",1],
["x/a*Ei(2,a*x)","x",1],
["1/a*Ei(2,a*x)","x",1],
["1/a/x*Ei(2,a*x)","x",1],
["1/a/x^2*Ei(2,a*x)","x",1],
["1/a/x^3*Ei(2,a*x)","x",1],
["1/a/x^4*Ei(2,a*x)","x",1],
["1/a/x^5*Ei(2,a*x)","x",1],
["x^98/a^2*Ei(3,a*x)","x",1],
["x/a^2*Ei(3,a*x)","x",1],
["1/a^2*Ei(3,a*x)","x",1],
["1/x/a^2*Ei(3,a*x)","x",1],
["1/a^2/x^2*Ei(3,a*x)","x",1],
["1/a^2/x^3*Ei(3,a*x)","x",1],
["1/a^2/x^4*Ei(3,a*x)","x",1],
["1/a^2/x^5*Ei(3,a*x)","x",1],
["1/a^2/x^6*Ei(3,a*x)","x",1],
["x^97/a^3*Ei(4,a*x)","x",1],
["1/a^3*Ei(4,a*x)","x",1],
["1/x/a^3*Ei(4,a*x)","x",1],
["1/x^2/a^3*Ei(4,a*x)","x",1],
["1/a^3/x^3*Ei(4,a*x)","x",1],
["1/a^3/x^4*Ei(4,a*x)","x",1],
["1/a^3/x^5*Ei(4,a*x)","x",1],
["1/a^3/x^6*Ei(4,a*x)","x",1],
["1/a^3/x^7*Ei(4,a*x)","x",1],
["x^100*Pi^(1/2)*erfc((a*x)^(1/2))","x",1],
["x^2*Pi^(1/2)*erfc((a*x)^(1/2))","x",1],
["x*Pi^(1/2)*erfc((a*x)^(1/2))","x",1],
["Pi^(1/2)*erfc((a*x)^(1/2))","x",1],
["Pi^(1/2)*erfc((a*x)^(1/2))/x","x",1],
["Pi^(1/2)*erfc((a*x)^(1/2))/x^2","x",1],
["Pi^(1/2)*erfc((a*x)^(1/2))/x^3","x",1],
["Pi^(1/2)*erfc((a*x)^(1/2))/x^4","x",1],
["x^100*((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))","x",1],
["x^2*((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))","x",1],
["x*((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))","x",1],
["(a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2))","x",1],
["((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))/x","x",1],
["((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))/x^2","x",1],
["((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))/x^3","x",1],
["((a*x)^(1/2)*exp(-a*x)+1/2*Pi^(1/2)*erfc((a*x)^(1/2)))/x^4","x",1],
["2*(d*x)^m*exp(-b*x)*(1+b*x+1/2*b^2*x^2)","x",1],
["(d*x)^m*exp(-b*x)*(b*x+1)","x",1],
["(d*x)^m/exp(b*x)","x",1],
["(d*x)^m*Ei(1,b*x)","x",1],
["(d*x)^m/b/x*Ei(2,b*x)","x",1],
["(d*x)^m/b^2/x^2*Ei(3,b*x)","x",1],
["x^m*GAMMA(n,x)","x",1],
["x^m*GAMMA(n,b*x)","x",1],
["(d*x)^m*GAMMA(n,x)","x",1],
["(d*x)^m*GAMMA(n,b*x)","x",1],
["x^100*GAMMA(n,a*x)","x",1],
["x^2*GAMMA(n,a*x)","x",1],
["x*GAMMA(n,a*x)","x",1],
["GAMMA(n,a*x)","x",1],
["GAMMA(n,a*x)/x","x",1],
["GAMMA(n,a*x)/x^2","x",1],
["GAMMA(n,a*x)/x^3","x",1],
["GAMMA(n,a*x)/x^4","x",1],
["x^100*GAMMA(n,2*x)","x",1],
["x^2*GAMMA(n,2*x)","x",1],
["x*GAMMA(n,2*x)","x",1],
["GAMMA(n,2*x)","x",1],
["GAMMA(n,2*x)/x","x",1],
["GAMMA(n,2*x)/x^2","x",1],
["GAMMA(n,2*x)/x^3","x",1],
["GAMMA(n,2*x)/x^4","x",1],
["(d*x+c)^3*Ei(1,b*x+a)","x",1],
["(d*x+c)^2*Ei(1,b*x+a)","x",1],
["(d*x+c)*Ei(1,b*x+a)","x",1],
["Ei(1,b*x+a)","x",1],
["Ei(1,b*x+a)/(d*x+c)","x",0],
["Ei(1,b*x+a)/(d*x+c)^2","x",1],
["Ei(1,b*x+a)/(d*x+c)^3","x",1],
["Ei(1,b*x+a)/(d*x+c)^4","x",1],
["exp(-b*x-a)*(d*x+c)^4","x",1],
["exp(-b*x-a)*(d*x+c)^3","x",1],
["exp(-b*x-a)*(d*x+c)^2","x",1],
["exp(-b*x-a)*(d*x+c)","x",1],
["exp(-b*x-a)","x",1],
["exp(-b*x-a)/(d*x+c)","x",1],
["exp(-b*x-a)/(d*x+c)^2","x",1],
["exp(-b*x-a)/(d*x+c)^3","x",1],
["exp(-b*x-a)/(d*x+c)^4","x",1],
["(d*x+c)^3*exp(-b*x-a)*(b*x+a+1)","x",1],
["(d*x+c)^2*exp(-b*x-a)*(b*x+a+1)","x",1],
["(d*x+c)*exp(-b*x-a)*(b*x+a+1)","x",1],
["exp(-b*x-a)*(b*x+a+1)","x",1],
["exp(-b*x-a)*(b*x+a+1)/(d*x+c)","x",1],
["exp(-b*x-a)*(b*x+a+1)/(d*x+c)^2","x",1],
["exp(-b*x-a)*(b*x+a+1)/(d*x+c)^3","x",1],
["exp(-b*x-a)*(b*x+a+1)/(d*x+c)^4","x",1],
["exp(-b*x-a)*(b*x+a+1)/(d*x+c)^5","x",1],
["2*(d*x+c)^3*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)","x",1],
["2*(d*x+c)^2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)","x",1],
["2*(d*x+c)*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)/(d*x+c)","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)/(d*x+c)^2","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)/(d*x+c)^3","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)/(d*x+c)^4","x",1],
["2*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)/(d*x+c)^5","x",1],
["(d*x+c)^3/(b*x+a)*Ei(2,b*x+a)","x",1],
["(d*x+c)^2/(b*x+a)*Ei(2,b*x+a)","x",1],
["(d*x+c)/(b*x+a)*Ei(2,b*x+a)","x",1],
["1/(b*x+a)*Ei(2,b*x+a)","x",1],
["1/(b*x+a)*Ei(2,b*x+a)/(d*x+c)","x",0],
["1/(b*x+a)*Ei(2,b*x+a)/(d*x+c)^2","x",1],
["1/(b*x+a)*Ei(2,b*x+a)/(d*x+c)^3","x",1],
["1/(b*x+a)*Ei(2,b*x+a)/(d*x+c)^4","x",1],
["(d*x+c)^3/(b*x+a)^2*Ei(3,b*x+a)","x",1],
["(d*x+c)^2/(b*x+a)^2*Ei(3,b*x+a)","x",1],
["(d*x+c)/(b*x+a)^2*Ei(3,b*x+a)","x",1],
["1/(b*x+a)^2*Ei(3,b*x+a)","x",1],
["1/(b*x+a)^2*Ei(3,b*x+a)/(d*x+c)","x",0],
["1/(b*x+a)^2*Ei(3,b*x+a)/(d*x+c)^2","x",1],
["1/(b*x+a)^2*Ei(3,b*x+a)/(d*x+c)^3","x",1],
["1/(b*x+a)^2*Ei(3,b*x+a)/(d*x+c)^4","x",1],
["(d*x+c)^3/(b*x+a)^3*Ei(4,b*x+a)","x",1],
["(d*x+c)^2/(b*x+a)^3*Ei(4,b*x+a)","x",1],
["(d*x+c)/(b*x+a)^3*Ei(4,b*x+a)","x",1],
["1/(b*x+a)^3*Ei(4,b*x+a)","x",1],
["1/(b*x+a)^3*Ei(4,b*x+a)/(d*x+c)","x",0],
["1/(b*x+a)^3*Ei(4,b*x+a)/(d*x+c)^2","x",1],
["1/(b*x+a)^3*Ei(4,b*x+a)/(d*x+c)^3","x",1],
["1/(b*x+a)^3*Ei(4,b*x+a)/(d*x+c)^4","x",1],
["x^(5/2)*exp(-b*x-a)*(b*x+a+1)","x",1],
["x^(3/2)*exp(-b*x-a)*(b*x+a+1)","x",1],
["x^(1/2)*exp(-b*x-a)*(b*x+a+1)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(1/2)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(3/2)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(5/2)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(7/2)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(9/2)","x",1],
["x^(3/2)/(b*x+a)^2*Ei(3,b*x+a)","x",0],
["x^(1/2)/(b*x+a)^2*Ei(3,b*x+a)","x",0],
["1/(b*x+a)^2*Ei(3,b*x+a)/x^(1/2)","x",0],
["1/(b*x+a)^2*Ei(3,b*x+a)/x^(3/2)","x",0],
["x^(4/3)*exp(-b*x-a)*(b*x+a+1)","x",1],
["x^(2/3)*exp(-b*x-a)*(b*x+a+1)","x",1],
["x^(1/3)*exp(-b*x-a)*(b*x+a+1)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(1/3)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(2/3)","x",1],
["exp(-b*x-a)*(b*x+a+1)/x^(4/3)","x",1],
["2*(d*x+c)^m*exp(-b*x-a)*(1+b*x+a+1/2*(b*x+a)^2)","x",1],
["(d*x+c)^m*exp(-b*x-a)*(b*x+a+1)","x",1],
["exp(-b*x-a)*(d*x+c)^m","x",1],
["(d*x+c)^m*Ei(1,b*x+a)","x",0],
["(d*x+c)^m/(b*x+a)*Ei(2,b*x+a)","x",0],
["(d*x+c)^m/(b*x+a)^2*Ei(3,b*x+a)","x",0],
["(d*x+c)^m/(b*x+a)^3*Ei(4,b*x+a)","x",0],
["x^m*GAMMA(n,b*x+a)","x",0],
["(d*x+c)^m*GAMMA(n,b*x+a)","x",0],
["(d*x+c)^4*GAMMA(n,b*x+a)","x",1],
["(d*x+c)^3*GAMMA(n,b*x+a)","x",1],
["(d*x+c)^2*GAMMA(n,b*x+a)","x",1],
["(d*x+c)*GAMMA(n,b*x+a)","x",1],
["GAMMA(n,b*x+a)","x",1],
["GAMMA(n,b*x+a)/(d*x+c)","x",0],
["GAMMA(n,b*x+a)/(d*x+c)^2","x",0],
["GAMMA(n,b*x+a)/(d*x+c)^3","x",0],
["x^2*GAMMA(p,d*(a+b*log(c*x^n)))","x",1],
["x*GAMMA(p,d*(a+b*log(c*x^n)))","x",1],
["GAMMA(p,d*(a+b*log(c*x^n)))","x",1],
["GAMMA(p,d*(a+b*log(c*x^n)))/x","x",1],
["GAMMA(p,d*(a+b*log(c*x^n)))/x^2","x",1],
["GAMMA(p,d*(a+b*log(c*x^n)))/x^3","x",1],
["(e*x)^m*GAMMA(p,d*(a+b*log(c*x^n)))","x",1],
["(d*x+c)^3*lnGAMMA(b*x+a)","x",1],
["(d*x+c)^2*lnGAMMA(b*x+a)","x",1],
["(d*x+c)*lnGAMMA(b*x+a)","x",1],
["lnGAMMA(b*x+a)","x",1],
["lnGAMMA(b*x+a)/(d*x+c)","x",0],
["lnGAMMA(b*x+a)/(d*x+c)^2","x",0],
["(d*x+c)^(3/2)*lnGAMMA(b*x+a)","x",0],
["(d*x+c)^(1/2)*lnGAMMA(b*x+a)","x",0],
["lnGAMMA(b*x+a)/(d*x+c)^(1/2)","x",0],
["(d*x+c)^2*log(GAMMA(b*x+a))","x",1],
["(d*x+c)*log(GAMMA(b*x+a))","x",1],
["log(GAMMA(b*x+a))","x",1],
["log(GAMMA(b*x+a))/(d*x+c)","x",0],
["log(GAMMA(b*x+a))/(d*x+c)^2","x",0],
["(d*x+c)^m*Psi(n,b*x+a)","x",0],
["(d*x+c)^3*Psi(n,b*x+a)","x",1],
["(d*x+c)^2*Psi(n,b*x+a)","x",1],
["(d*x+c)*Psi(n,b*x+a)","x",1],
["Psi(n,b*x+a)","x",1],
["Psi(n,b*x+a)/(d*x+c)","x",0],
["Psi(n,b*x+a)/(d*x+c)^2","x",0],
["Psi(n,b*x+a)/(d*x+c)^3","x",0],
["(d*x+c)^(3/2)*Psi(n,b*x+a)","x",0],
["(d*x+c)^(1/2)*Psi(n,b*x+a)","x",0],
["Psi(n,b*x+a)/(d*x+c)^(1/2)","x",0],
["Psi(n,b*x+a)/(d*x+c)^(3/2)","x",0],
["x^2*Psi(1,b*x+a)","x",1],
["Psi(1,b*x+a)/x^2-b*Psi(2,b*x+a)/x","x",1],
["Psi(n,b*x+a)/x^2-b*Psi(1+n,b*x+a)/x","x",1],
["GAMMA(b*x+a)^n*Psi(b*x+a)","x",1],
["(b*x+a)!^n*Psi(b*x+a+1)","x",1]]