main = input => {

    result = '';
    if (input[0] === 'Sunny') {
        result = 'Cloudy';
    } else if (input[0] === 'Cloudy') {
        result = 'Rainy';
    } else {
        result = 'Sunny';
    }
    console.log(result);
}

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


