const main = input =>{
    result = '';
    switch (input) {
        case 'Sunny':
            result = 'Cloudy';
            break;
        case 'Cloudy':
            result = 'Rainy';
            break;
        case 'Rainy':
            result = 'Sunny';
            break;
    }
    console.log(result);
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));