import math
import random

def check(coord):
    return coord[0]**2 + coord[1]**2 <= 1

def montecarlo(i):
    pi = 0
    j = 0
    while i != j:
        coord = [random.randint(0,100000)/100000,random.randint(0,100000)/100000]
        if check(coord):
            pi=pi+1
        j=j+1 
    pi=4*pi/i
    return pi


if __name__=="__main__":
    print(montecarlo(9999999))