function main(input) {
    const 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"));