function Main(input) {
	input = input.toString()
    if(input=="Sunny"){
    	console.log("Cloudy")
    }else if(input=="Cloudy"){
    	console.log("Rainy")
    }else if(input=="Rainy"){
    	console.log("Sunny")
    }
}
 
// Don't edit this line!
Main(require("fs").readFileSync("/dev/stdin", "utf8"));