#include <iostream>
#include <string>

int main()
{
	std::string str;
	std::cin >> str;
	
	int count[3] = {0};
	for (char c : str)
	{
		if (c == 'T') count[0] += 1;
		else if (c == 'C') count[1] += 1;
		else count[2] += 1;
	}
	
	std::string out{""};
	if (count[1] == 0)
	{
		for (int i = 0; i < count[2]; ++i) out += 'P';
		for (int i = 0; i < count[0]; ++i) out += 'T';
	}
	else
	{
		for (int i = 0; i < count[0]; ++i) out += 'T';
		for (int i = 0; i < count[1]; ++i) out += 'C';
		for (int i = 0; i < count[2]; ++i) out += 'P';	
	}
	
	std::cout << out << std::endl;
	
	return 0;
}