Problem:
Score: 100 points

Problem Statement

The weather in Takahashi's town changes day by day, in the following cycle: Sunny, Cloudy, Rainy, Sunny, Cloudy, Rainy, ...

Given is a string S representing the weather in the town today. Predict the weather tomorrow.

Constraints

S is Sunny, Cloudy, or Rainy.

Input

Input is given from Standard Input in the following format:

S

Output

Print a string representing the expected weather tomorrow, in the same format in which input is given.

Sample Input 1

Sunny

Sample Output 1

Cloudy

In Takahashi's town, a sunny day is followed by a cloudy day.

Sample Input 2

Rainy

Sample Output 2

Sunny

Solution in C++14 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include<iostream>
#include <string>
#include <vector>

using namespace std;
int main(int argc, char const *argv[]) {
  string s;
  cin >> s;

  for (int i = 0; i < s.length(); i++) {
    if ((i % 2 == 0 && s[i] == 'L') || (i % 2 == 1 && s[i] == 'R')) {
      cout << "No" << endl;
      return 0;
    }
  }

  cout << "Yes" << endl;
  return 0;
}