
process.stdin.resume();
process.stdin.setEncoding('utf8');
 
var g_input = '';
process.stdin.on('data', function(chunk) {
    g_input += chunk;
});
process.stdin.on('end', function() {
    main(g_input.split(/\r?\n/));
});

function main(inputs){
    var tenki = ["Sunny","Cloudy","Rainy","Sunny"];
    for(i = 0; i < 3;i++){
        if(inputs[0] == tenki[i]){
          console.log(tenki[i+1])
        }
    }
}
