AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
#!/usr/bin/env python
# -*- coding: utf-8 -*-

import math

a, b = list(map(str, input().split()))
num = math.sqrt(int(a+b))

if num == math.floor(num):
    print('Yes')
else:
    print('No')

#!/usr/bin/env python
# -*- coding: utf-8 -*-

a, b = list(map(int, input().split()))

if a * b % 2:
    print('Odd')
else:
    print('Even')
