# include "Anna.h"
# include <bits/stdc++.h>
# define ll long long
# define fi first
# define se second
using namespace std;


int conv(char x) {
	if(x == 'R') return 0;
	if(x == 'G') return 1;
	if(x == 'B') return 2;
}

pair<string, int> anna(int N, string S) {
	if(N <= 130) {
		string V = "";
		for(int i=0;i<N;i++) {
			if(S[i] == 'R') V += 'G';
			else if(S[i] == 'G') V += 'B';
			else V += 'R';
		}
		return {V, N};
	} else {
		string V = "";
		vector<bool> cek(3, 0);
		cek[conv(S[0])] = 1;
		cek[conv(S[1])] = 1;
		
		if(cek[0] == 0) V += "RR";
		else if(cek[1] == 0) V += "GG";
		else V += "BB";
		
		cek[0] = cek[1] = cek[2] = 0;
		
		cek[conv(V[0])] = 1;
		cek[conv(S[2])] = 1;
		
		if(cek[0] == 0) V += "R";
		else if(cek[1] == 0) V += "G";
		else V += "B";
		
		for(int i=3;i<N;i++) {
			if(S[i] == 'R') V += 'G';
			else if(S[i] == 'G') V += 'B';
			else V += 'R';
		}
		return {V, 130};
	}
}

#include "Bruno.h"
# include <bits/stdc++.h>
# define ll long long
# define fi first
# define se second
using namespace std;

namespace {

	int L;

}  // namespace

void init(int N, int l) {
	L = l;
}

int bruno(string u) {
	if(L <= 130) return 1;
	if(u[0] == u[1]) return 1;
	return 2;
}