function Main(input) {
  input = input.split("\n")
  var a = input[0]
switch(a){
  case "Sunny":
  console.log("Cloudy");
  break;
  case "Cloudy":
  console.log("Rainy");
  break;
  case "Rainy":
  console.log("Sunny");
  break;
}
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));