function Main(input) {
	const lines = input.split("\n");
	const line1 = lines[0].split(" ");
	var a = parseInt(line1[0], 10);
	var b = parseInt(line1[1], 10);	
	console.log('%s',a*b%2 === 1 ? 'Odd' : 'Even');
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
