a, b = map(int, input().split())
print(a//b, end=".")
a -= b*(a//b)

def next_digit(n, m): # n < mのときしか使えない
    d = (n*10) // m
    print(d, end="")
    return 10*n - m*d

for i in range(50):
    a = next_digit(a, b)

print()