function Main(input) {
    var S = input[0];

    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").trim().split(/\n|\s/));