#include <bits/stdc++.h>
using namespace std;
#define maxn 1000005
map<pair<char,char>,char>mp;

void solve(){
    string s;cin>>s;
    vector<char>vt;
    for(auto v:s){
        if(vt.empty()){
            vt.push_back(v);
            continue;
        }
        if(v==vt.back()){
            continue;
        }
        int nxt=mp[{v,vt.back()}];
        if(nxt==v){
            vt.pop_back();
            if(vt.empty())vt.push_back(nxt);
        }
        else{
            vt.push_back(v);
        }
    }
    cout<<vt[0]<<'\n';
}

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    mp[{'S','R'}]='R';
    mp[{'R','S'}]='R';
    mp[{'S','P'}]='S';
    mp[{'P','S'}]='S';
    mp[{'P','R'}]='P';
    mp[{'R','P'}]='P';

    int T=1;cin>>T;
    while(T--){
        solve();
    }
}