#include <bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;

int main()
{
	ios::sync_with_stdio(0); 
	cin.tie(0);
	string s;
	cin >> s;
	for (char c : s)
		cout << char(c - 'A' + 'a');
	cout << "\n";
	FOR(i, 0, SZ(s) - 1)
	{
		if (s[i] == 'S' && s[i + 1] == 'S')
		{
			FOR(j, 0, SZ(s))
			{
				if (j != i && j != i + 1)
					cout << char(s[j] - 'A' + 'a');
				else if (j == i)
					cout << 'B';
			}
			cout << "\n";
		}
	}
	return 0;
}