import decimal

A, B = map(int, input().split())
decimal.getcontext().prec = 51
a = decimal.Decimal(A)
b = decimal.Decimal(B)
c = a / b
C = "{0:.51f}".format(c)
# C = str(c)
# print("{0:.50f}".format(c))
# print(C[:len(C)-1])
print(str(C)[:len(C)-1])