function main(input) {
  input = input.trim();
  const a = input.split(" ").map(Number);
  if(a[0]==a[1]){
    console.log(a[2]);
  }
  if(a[1]==a[2]){
    console.log(a[0]);
  }
  if(a[0]==a[2]){
    console.log(a[1]);
  }      
  console.log((a[0]*a[1])%2==0?'Even':'Odd');
}
main(require("fs").readFileSync("/dev/stdin", "utf8"));
