def answer(a:int, b:int) -> str:
    if (a * b) % 2 == 0:
        return 'Even'
    else:
        return 'Odd'

def test_積が偶数ならEvenとなる_入力例1():
    assert answer(3, 4) == 'Even'

def test_積が奇数ならOddとなる_入力例2():
    assert answer(1, 21) == 'Odd'

def test_積が偶数ならEvenとなる_最大値の場合():
    assert answer(10000,10000) == 'Even'