from decimal import *

class Problem0858:
    def solve(this):
        a, b = map(int, input().split())
        getcontext().prec = 100
        getcontext().rounding = ROUND_DOWN
        print("{:.50f}".format(Decimal(a) / Decimal(b)))

if __name__ == "__main__":
    problem = Problem0858()
    problem.solve()