#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001LL

int main(){

	string s;
	cin>>s;
	int a=0,b=0,c=0;
	rep(i,s.size()){
		if(s[i]=='T')a++;
		if(s[i]=='C')b++;
		if(s[i]=='P')c++;
	}
	
	if(b==0){
		cout<<string(c,'P') + string(a,'T')<<endl;
	}
	else{
		cout<<string(a,'T') + string(b,'C') + string(c,'P')<<endl;
	}
	
	return 0;
}