// Arup Guha
// 10/15/2021
// Solution to 2021 UCF Locals Qualifying Round Problem: Changing Strings

import java.util.*;

public class strchange {

	public static void main(String[] args) {
	
		Scanner stdin = new Scanner(System.in);
		char[] str = stdin.next().toCharArray();

		// Find endpoints.
		int i = 0, j = str.length-1;
		while (str[i] != 'U') i++;
		while (str[j] != 'F') j--;
		
		// Change stuff.
		for (int z=0; z<i; z++) str[z] = '-';
		for (int z=i+1; z<j; z++) str[z] = 'C';
		for (int z=j+1; z<str.length; z++) str[z] = '-';

		// Ta da!
		System.out.println(new String(str));
	}
}