백준 6단계 no.9

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String word = sc.next();

        if (word.contains("c=")) {
            word = word.replace("c=", "a");
        }
        if (word.contains("c-")) {
            word = word.replace("c-", "a");
        }
        if (word.contains("dz=")) {
            word = word.replace("dz=", "a");
        }
        if (word.contains("d-")) {
            word = word.replace("d-", "a");
        }
        if (word.contains("lj")) {
            word = word.replace("lj", "a");
        }
        if (word.contains("nj")) {
            word = word.replace("nj", "a");
        }
        if (word.contains("s=")) {
            word = word.replace("s=", "a");
        }
        if (word.contains("z=")) {
            word = word.replace("z=", "a");
        }

        System.out.println(word.length());
    }
}