sedmaNew.java

import java.util.Scanner;

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

        String sentence = sc.nextLine();
        char[] arr = new char[sentence.length()];
        int chCount = 0;

        for (int i = 0; i < sentence.length(); i++) {
            arr[i] = sentence.charAt(i);
            if (arr[i] == ' ') {
                continue;
            }
            chCount++;
        }
        System.out.println(chCount);
    }
}