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

d = 1
for i in range(10):
    if a > 10 * b:
        b *= 10
        d += 1

for i in range(d):
    c = 0
    for j in range(10):
        if a >= b:
            a -= b
            c += 1
    a *= 10
    ans += str(c)

ans += "."

for i in range(50):
    c = 0
    for j in range(10):
        if a >= b:
            a -= b
            c += 1
    a *= 10
    ans += str(c)
        
print(ans)