from random import *
from math import *

def F(n):
    p=0.512
    x=0
    for i in range(n):
        a=random()
        if a<=p:
            x=x+1
        f=x/n
    return f

def Proportion(n,N):
    p=0.512
    delta=2*sqrt(p*(1-p)/n)
    m=0
    for i in range(N):
        if abs(F(n)-p)>=delta:
            m=m+1
    pr=m/N
    return pr