#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ll long long
#define mod 998244353
int main(){
    cin.tie(0)->sync_with_stdio(0);
    cout.tie(0);
    string S;
    cin>>S;
    int C=0,P=0,T=0;
    rep(i,S.size()){
        if(S.at(i)=='C') C++;
        if(S.at(i)=='P') P++;
        if(S.at(i)=='T') T++;
    }
    if(C==0){
        rep(i,P) cout<<"P";
        rep(i,T) cout<<"T";
        return 0;
    }
    rep(i,T) cout<<"T";
    rep(i,C) cout<<"C";
    rep(i,P) cout<<"P";
}