# def power(x,y):
#     return(x**y)

# result = power(2,3)
# print(result)



''' def gcd(a, b):
    while b:
        t = a%b
        a = b
        b = t
    return a

# { return b == 0 ? a : gcd(b, a % b); }
result = gcd(128,45)
print(result) '''


def mod2(x):
    i = 1
    