#include <vector>
#include <iostream>
#include <string>
#include <ostream>
#include <map>
#include <set>
#include <bitset>
#include <cmath>
#include <iomanip>
#include <algorithm>
#include <list>
#include <regex>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n) for (int i = 1; i < (n); i++)
using namespace std;

int main()
{
    string s;
    cin >> s;
    int tcnt = 0, ccnt = 0, pcnt = 0;
    for (char c : s){
        switch (c)
        {
        case 'T':
            tcnt++;
            break;
        case 'C':
            ccnt++;
            break;
        case 'P':
            pcnt++;
            break;
        }
    }
    rep(i, tcnt)cout << "T";
    rep(i, ccnt)cout << "C";
    rep(i, pcnt)cout << "P";
    cout << endl;
    return 0;
}