#include<stdio.h>
int main()
{
	char s[102];
	scanf("%s", s);
	int i, ct, cc, cp;
	ct = cc = cp = 0;
	for (i = 0; s[i] != '\0'; i++)
	{
		if (s[i] == 'T')
			ct++;
		else if (s[i] == 'C')
			cc++;
		else
			cp++;
	}
	for (i = 0; i < ct; i++)
		printf("T");
	for (i = 0; i < cc; i++)
		printf("C");
	for (i = 0; i < cp; i++)
		printf("P");
	printf("\n");
	return 0;
}