from decimal import *
num1, num2 = input().strip().split()

int_num = int(num1) // int(num2)
int_len = len(str(int(num1) // int(num2)))
getcontext().prec = 52 + int_len

num_str = str(Decimal(num1) / Decimal(num2))
length = len(num_str)

if length == int_len:
    print(num_str + "." + "0" * 50)
elif length - int_len < 51:
    print(num_str + "0" * (51 + int_len - length))
else:
    print(num_str[:-2 - (length - int_len - 53)])