a, b = map(int, input().split())
if a == 0:
    print(0)
    exit()
ans = ''
if (a < 0 < b) or (a > 0 > b):
    ans += '-'
a = abs(a)
b = abs(b)
ans += f'{a // b}'
ans += '.'
a %= b
for i in range(20):
    a *= 10
    ans += f'{a // b}'
    a %= b
print(ans)