import java.util.*;

public class Main {
    public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String n = scan.nextLine();
		int[] countTCP = new int[3];
		
		for(int i = 0 ; i < n.length() ; i++){
			if(n.charAt(i) == 'T'){
				countTCP[0]++;
			}else if(n.charAt(i) == 'C'){
				countTCP[1]++;
			}else{
				countTCP[2]++;
			}
		}
		String ans = "";
		for(int i = 0 ; i < 3 ; i++){
			for(int j = 0 ; j < countTCP[i] ; j++){
				if(i == 0){
					ans += "T";
				}else if(i == 1){
					ans += "C";
				}else{
					ans += "P";
				}
			}
		}
		System.out.println(ans);
    }
}