function Main(input){
  input = input.split(" ");
  var result = parseInt(input[0], 10) * parseInt(input[1], 10);
   var answer = result % 2;
   
   if(answer === 1){
     console.log("Odd");
   }else{
      console.log("Even");
   }
   
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));