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

#define int long long  

void solve() {
	string s;
	cin >> s;

	int n = s.size();

	auto win = [&](char a, char b) {
		if (a == 'R') {
			return b == 'S';
		} else if (a == 'P') {
			return b == 'R';
		} else {
			return b == 'P';
		}
		assert(false);
	};

	int ans = 0;
	for (int i = 1; i < s.size(); i++) {
		if (win(s[i], s[i - 1])) {
			ans = i;
		}
	}

	cout << s[ans] << "\n";
}

signed main() {  
    ios::sync_with_stdio(false);
    cin.tie(nullptr);  

    int t;
    cin >> t;
    while (t--) {
    	solve();
    }

    return 0;
}