function Main(input) {
    var S  = input;
    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"));