function oddeven(input){
  var input =input.split(" ");
  var a=parseInt(input[0],10);
  var b=parseInt(input[1],10);
  
  if(a*b&2===0){
    console.log("even")
  }else{
    console.log("odd")
  }
}
 
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
