const main = input => {
    const S = input.trim();
    if (S === 'Sunny') {
        console.log('Cloudy');
    } else if (S === 'Cloudy') {
        console.log('Rainy');
    } else {
        console.log('Sunny');
    }
};

// 標準入力
main(require("fs").readFileSync("/dev/stdin", "utf8"));
// main(require("fs").readFileSync("input.txt", "utf8"));