function Main(input){
  var S = input.trim();
  if(S === "Sunny"){
    console.log("Cloudy");
  }else if(S === "Cloudy"){
    console.log("Rainy");
  }else if(S === "Rainy"){
    console.log("Sunny");
  }
  
  


}
 
Main(require("fs").readFileSync("/dev/stdin", "utf8"));


