#include <bits/stdc++.h>
using namespace std;
int main() {
    string s;
    cin >> s;

    int n = (int)s.size();
    map<char, int> mp;
    for (int i = 0; i < n; i++) mp[s[i]]++;

    auto f = [&](char c) {
        string res = "";
        for (int i = 0; i < mp[c]; i++) res += c;
        return res;
    };

    string ans = f('T') + f('C') + f('P');
    cout << ans << endl;
    return 0;
}