from decimal import *
getcontext().prec = 51
a, b = map(int, input().split())
if a % b == 0:
    print(str(a // b) + "." + "0" * 50)
else:
    ab = str(Decimal(a) / Decimal(b)).split(".")
    print(ab[0] + "." + ab[1][:50])