#include <algorithm>
#include <iostream>
#include <string>
#include <utility>

int main() {
	std::string S;
	std::cin >> S;
	std::ranges::sort(S, {}, [](char c) {
		if (c == 'T') return 0;
		if (c == 'C') return 1;
		if (c == 'P') return 2;
		std::unreachable();
	});
}