#3.14
import random
from random import randint
import matplotlib
import matplotlib.pyplot as plt

N=100000
a,b=[],[]
n=0
for i in range (N):
    x=random.uniform(0,1)
    y=random.uniform(0,1)
    if (x+y<1) and (x*y<2/9):
        a.append(x)
        b.append(y)
        n+=1
print(n/N)
plt.plot(a,b, linestyle="",marker="o")
plt.title('PLOT')
plt.show()