function Main(input) {
  var result;

  var ary = ['Sunny', 'Cloudy', 'Rainy'];
  // input = input.split(" ");
  var i = ary.indexOf(input);
  i = i == 2 ? 0: i + 1;

  console.log(ary[i]);
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
