#include <iostream>
#include <vector>
using namespace std;
string tar;
char win(char p1, char p2) {
    if (p1 == 'S') {
        if (p2 == 'S') {
            return 'S';
        }
        else if (p2 == 'P') {
            return 'S';
        }
        else {
            return 'R';
        }
    }
    else if (p1 == 'P') {
        if (p2 == 'S') {
            return 'S';
        }
        else if (p2 == 'P') {
            return 'P';
        }
        else {
            return 'P';
        }
    }
    else {
        if (p2 == 'S') {
            return 'R';
        }
        else if (p2 == 'P') {
            return 'P';
        }
        else {
            return 'R';
        }
    }
    return '$';
}
int main()
{
    int t;
    cin >> t;
    while (t--) {
        cin >> tar;
        char who,atk;
        who = tar[0], atk = tar[0];
        for (auto i : tar) {
            if (win(i, atk) == who) {
                who = win(i, atk);
                atk = i;
            }
            else if (win(i, atk) == i) {
                atk = i; who = i;
            }
        }
        cout << who << "\n";
    }
    return 0;
}