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


int main()
{
    int n;
    cin >> n;
    n = n - 1;
    int m = n + n;
    string a, b;

    int count = 0;
    char c = '!';
    vector<string> s(m);
    for(int i = 0; i < m; i++) {
        cin >> s[i];
        if(s[i].size() == n) {
            if(a == "")
                a = s[i];
            else
                b = s[i];
        }
        if(c == '!')
            c = s[i][0];
        if(s[i][0] == c)
            count++;
    }


if(count < (m / 2) && a[0] == c) {
    swap(a, b);
}

vector<bool> bo(m);

    for(int i = 0; i < m; i++) {
        if(s[i].size() != n) {
            if (a.rfind(s[i], 0) == 0 && bo[s[i].size() - 1] == false) {
              cout << "P";
              bo[s[i].size() - 1] = true;
            }
            else
                cout << "S";
        }
        else {
            if(s[i] == a && bo[s[i].size() - 1] == false) {
                cout << "P";
                bo[s[i].size() - 1] = true;
            }
            else
                cout << "S";
        }

    }


  return 0;
}