import std;
import core.bitop;
import core.checkedint;
import core.time;

void main() {
	const s = readln.chomp;
	auto cnt = new int[3];
	foreach(c; s) {
		if(c == 'P') {
			cnt[0]++;
		} else if(c == 'C') {
			cnt[1]++;
		} else {
			cnt[2]++;
		}
	}
	writeln(replicate("T", cnt[2]) ~ replicate("C", cnt[1]) ~ replicate("P", cnt[0]));
}