# pragma GCC target("avx2")
# pragma GCC optimize("O3")
# pragma GCC optimize("unroll-loops")


#include <bits/stdc++.h>

using namespace std;

inline static int encode(char c){
    switch(c){
        case 'R': return 0;
        case 'S': return 1;
        case 'P': return 2;
        case 'X': return 3;
        default: return -1;
    }
}

int expecteddd[100];

const char s[] = "XRSP";

uint32_t find_initial_state(){
    constexpr uint64_t LIMIT = uint64_t{1} << 32;
    for(uint64_t initial_state = 0; initial_state < LIMIT; ++initial_state){
        uint32_t state = static_cast<uint32_t>(initial_state);
        bool ok = true;
        for(int j = 0; j < 100; ++j){
            state ^= state << 13;
            state ^= state >> 17;
            state ^= state << 5;
            if((state & 3) != static_cast<uint32_t>(expecteddd[j])){
                ok = false;
                break;
            }
        }
        if(ok){
            return static_cast<uint32_t>(initial_state);
        }
    }
    return 0;
}

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

    string T;
    cin >> T;

    for(int j = 0; j < 100; ++j){
        expecteddd[j] = encode(T[j]);
    }

    uint32_t initial_state = find_initial_state();

    int N;
    cin >> N;

    uint32_t state = initial_state;

    for(int i = 0; i < 100; i++){
        state ^= state << 13;
        state ^= state >> 17;
        state ^= state << 5;
    }

    for(int i = 0; i < N; i++){
        state ^= state << 13;
        state ^= state >> 17;
        state ^= state << 5;
        cout << s[state & 3];
    }

    cout << '\n';
}