from random import *

def gaucher():
    d = uniform(0, 1)
    if d < 0.17:
        return 1
    else:
        return 0

def répète(n):
    g = 0
    for k in range(n):
        g = g + gaucher()
    return g / n

def Nrepete(N, n):
    c = 0
    for i in range(N):
        f = répète(n)
        if abs(f - 0.17) < 1 / sqrt(n):
            c = c + 1
    return c / N