import std.stdio;void main(){char[10]x;for(int n;~scanf("%s",&*x);puts="")for(scanf(*x%5?n=10,&*"%Lf":*x%2?n=4,&*"%f":(n=8,&*"%lf"),&*x);n--;*x^=x[7]/8==25)writef("%02x",x[n]);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).