import sys
import os

a, b = map(int, input().split())

v = str(a * (10**61) // b)

pos = len(v)
pos -= 61
if pos <= 0:
	v = "0." + ("0" * -pos) + v[:50 + pos]
else:
	v = v[:pos] + "." + v[pos:pos + 50]
	

print(v)