function main(input) {
var Num = input.split('');
var a = parseInt(Num[0], 10);
var b = parseInt(Num[1], 10);

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

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