function main(input) {
    var S = input.trim();

    var weather = [
        "Sunny",
        "Cloudy",
        "Rainy"
    ];

    var index = weather.indexOf(S);

    var tomorrowIndex = weather.length - 1 === index ? 0 : index + 1;
    console.log(weather[tomorrowIndex]);
}

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