function main(input) {
    const args = input.split(" ");
    a = parseInt(args[0], 10);
    b = parseInt(args[1], 10);

    if (a*b%2 == 0) {
        console.log('Even');
    } else {
        console.log('Odd');
    }
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'));