백준 #33810번 SciComLove （2025）

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		String s = sc.next();
		String t = "SciComLove";
		
		int count = 0;
		for(int i = 0; i < s.length(); i++) {
			if(s.charAt(i) != t.charAt(i)) {
				count++;
			}
		}
		System.out.println(count);
		sc.close();
	}
}