function Main(input){
  input = input.split("\n");
  inputStr = input[0].split(" ");
  var S = inputStr[0];
  //引数に応じた結果を出力
  var ans = ""
  switch(S){
    case "Sunny":
      ans = "Cloudy";
      break;
    case "Cloudy":
      ans = "Rainy"; 
      break;
    default:
      ans = "Sunny";
      break;
  }
  console.log(ans);
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
