
function main(input){

    const data = input.split(' ')
    const a = parseInt(data[0], 10)
    const b = parseInt(data[1], 10)

    if((a * b) % 2 === 1){
        console.log("Even");
    }else{
        console.log("Odd")
    }
}

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