# This is my PYTHON program
import math;
x=3.981;
z=0.512;
e=2.71828; #Math.e
b=float();
b=math.sqrt(math.exp(x-1)/math.sin(z));
print('Result is b=',b);
IyBUaGlzIGlzIG15IFBZVEhPTiBwcm9ncmFtCmltcG9ydCBtYXRoOwp4PTMuOTgxOwp6PTAuNTEyOwplPTIuNzE4Mjg7ICNNYXRoLmUKYj1mbG9hdCgpOwpiPW1hdGguc3FydChtYXRoLmV4cCh4LTEpL21hdGguc2luKHopKTsKcHJpbnQoJ1Jlc3VsdCBpcyBiPScsYik7