function main(input) {
    args = input.split(" ")
    const a = parseInt(args[0], 10);
    const b = parseInt(args[1], 10);
    if(a * b % 2 === 0){
        console.log("Even");
    }
    else{
        console.log("Odd");
    }
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));