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 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include<stdio.h>
#include<string.h>

#define YES 1
#define NO  0
int main(void){
	char S[255];
	scanf("%s",S);
	int i;
	for (i = 0; i < strlen(S); i++){
		if(1 == i % 2){
			if(S[i] == 'R'){
				printf("NO");
				return 0;
			}
		}
		else{
			if(S[i] == 'L'){
				printf("NO");
				return 0;
			}	
		}
	}
	printf("YES");
	return 0;
}