#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using VI = vector<int>;
using PII = pair<int,int>;
using VVI = vector<vector<int>>;
const ll mod = 998244353;
const ll INF = 1e18;
const int N = 2e5 + 10;


int check(char x , char y){
	if(x == y) return 0;
	if(x == 'S' && y == 'P') return 1;
	if(x == 'P' && y == 'R') return 1;
	if(x == 'R' && y == 'S') return 1;
	return 2;
}
void solve(){
	string s;
	cin>>s;
	stack<char> st;
	for(auto x : s){
		while(st.size() && check(x , st.top()) == 1){
			st.pop();
		}
		st.push(x);
	}
	
	
	while(st.size() > 1) st.pop();
 	cout<<st.top()<<"\n";
}

int main() {
	ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int T;cin>>T;while(T--)solve();
    
    
    
    
    
    
    
}


//5 4 3 2 1
//5 4 3 2 1