INF = 10 ** 9
MOD = 10 ** 9 + 7
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)
from  copy import deepcopy
from bisect import bisect_left

def main():
    a,b = map(int,input().split())
    ans = ''
    if a >= b:
        ans += str(a//b)
        ans += '.'
    else:
        ans += '0.'

    power = 10
    for _ in range(50):
        ret = power*a//b
        ans += str(ret%10)
        power *= 10
    print(ans)
if __name__ == '__main__':
    main()