function Main (S) {
  S = S.split("\n")[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", "utf8"));