function Main(input){
  input = input.split(" ");
  
  var a = parseInt(input[0]);
  var b = parseInt(input[1]);
  var mul = a * b;
  if(mul%2 == 0){
    console.log("even");
  }else{
    console.log("odd");
  }
}
 
Main(require("fs").readFileSync("/dev/stdin", "utf8"));