const main = (input) => {
  var s = input[0];
  var ans = "";
  switch(s){
    case "Sunny":
      ans = "Cloudy";
      break;
    case "Cloudy":
      ans = "Rainy";
      break;
    case "Rainy":
      ans = "Sunny";
      break;
  }
  console.log(ans);
}
main(require('fs').readFileSync('/dev/stdin', 'UTF-8').trim().split("\n"));
