import sys
from typing import *


def main(argv):
    # type: (List[str]) -> int
    a, b, *_ = map(int, argv) # type: Tuple[int, int, Any]
    if a % 2 == 0 or b % 2 == 0:
        print("Even")
    else:
        print("Odd")
    return 0

if __name__ == '__main__':
    # main(sys.argv[1:])
    main(input().split())
