# coding: utf-8



def AND(x1, x2):
    w1, w2, theta = 0.5, 0.5, 0.7
    tmp =  x1*w1 + x2*w2
    if tmp <= theta:
        return 0
    else:
        return 1

print (AND (0,0))
print (AND (1,0))
print (AND (0,1))
print (AND (1,1))