#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    string s;cin>>s;
    map<char,int>cnt;
    int n=s.size();
    for(char w:s)cnt[w]++;
    string ans="";
    ans+=string(cnt['T'],'T');
    ans+=string(cnt['C'],'C');
    ans+=string(cnt['P'],'P');
    cout<<ans<<endl;
}