inpt = raw_input()
withdraw, initial = [float(i) for i in inpt.split(’ ')]
if float(withdraw) > 0 and float(initial) >=0:
if float(initial) - float(withdraw)>0 and float(withdraw)%5==0:
final = float(withdraw) + 0.50
print float(initial)-final
else:
print initial
put return 0;
at the end before main… this error means your program is not returning zero
pls go through this link…
http://discuss.codechef.com/questions/11990/atm-problem-please-tell-whats-wrong
please search for a few similar ques, before asking new ones…as they may have been already answered…
not required…this is not c!!!