#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long int ll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
typedef vector<vvvl> vvvvl;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<vvb> vvvb;
typedef vector<vvvb> vvvvb;
typedef pair<ll,ll> pl;
typedef pair<ll,pl> ppl;
typedef pair<ll,ppl> pppl;
typedef pair<ll,pppl> pppppl;
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(a) begin(a),end(a)
#define sz(a) (int)(a).size()
#define F first
#define S second
#define bs(A,x) binary_search(all(A),x)
#define lb(A,x) (ll)(lower_bound(all(A),x)-A.begin())
#define ub(A,x) (ll)(upper_bound(all(A),x)-A.begin())
#define cou(A,x) (ll)(upper_bound(all(A),x)-lower_bound(all(A),x))
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;}
//*
using mint=modint998244353;
const ll mod=998244353;
//*/
/*
using mint=modint1000000007;
const ll mod=1000000007;
//*/
//using mint=modint;
//*
typedef vector<mint> vm;
typedef vector<vm> vvm;
typedef vector<vvm> vvvm;
typedef vector<vvvm> vvvvm;
ostream&operator<<(ostream&os,mint a){os<<a.val();return os;}
istream&operator>>(istream&is,mint&a){int x;is>>x;a=mint(x);return is;}
//*/
template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>p){os<<p.F<<" "<<p.S;return os;}
template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.F>>p.S;return is;}
template<typename T>ostream&operator<<(ostream&os,vector<T>v){rep(i,0,sz(v))os<<v[i]<<(i+1!=sz(v)?" ":"");return os;}
template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}
int main(){
  cin.tie(0)->sync_with_stdio(0);
  cin.exceptions(cin.failbit);
  string T;cin>>T;
  ll N;cin>>N;
  vvl B(200,vl(32));
  rep(i,0,32){
  	unsigned x=1ll<<i;
  	rep(j,0,100){
  	  x^=x<<13;
      x^=x>>17;
  	  x^=x<<5;
  	  B[2*j][i]=x&1;
  	  B[2*j+1][i]=(x>>1)&1;
  	}
  }
  vl I(1e6);
  I['R']=0;I['S']=1;I['P']=2;I['X']=3;
  vl C(200);
  rep(i,0,100)C[2*i]=I[T[i]]&1,C[2*i+1]=I[T[i]]>>1;
  rep(i,0,32){
  	ll j=i;
  	while(j<200&&!B[j][i])j++;
  	assert(j<200);
  	swap(B[i],B[j]);swap(C[i],C[j]);
  	rep(j,0,200)if(j!=i&&B[j][i]){
  	  C[j]^=C[i];
  	  rep(k,0,32)B[j][k]^=B[i][k];
  	}
  }
  unsigned state=0;
  rep(i,0,32)state|=C[i]<<i;
  rep(_,0,100){
  	state^=state<<13;
  	state^=state>>17;
  	state^=state<<5;
  	// cout<<"RSPX"[state&3];
  }
  rep(_,0,N){
  	state^=state<<13;
  	state^=state>>17;
  	state^=state<<5;
  	cout<<"XRSP"[state&3];
  }
  cout<<endl;
  return 0;
}