from decimal import *
import math
getcontext().prec = 100
a,b =(x for x in input().split())
a = Decimal(a)
b = Decimal(b)
zyozan = "{:.51f}".format(Decimal(a/b))

ans1 = zyozan.split('.')[0]
ans2 = zyozan.split('.')[1][0:50]



print(ans1 + "." + ans2)