#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);
	cout << fixed << setprecision(15);
	
	string s;
	cin >> s;
	FOR (i, 0, SZ(s))
		s[i] = tolower(s[i]);
	cout << s << '\n';
	FOR (i, 0, SZ(s) - 1)
	{
		if (s[i] == 's' && s[i + 1] == 's')
		{
			cout << s.substr(0, i) << 'B' << s.substr(i + 2, SZ(s) - i - 2) << '\n';
		}
	}
	
	
	return 0;
}