/* Lesson 3 Coding Activity Question 4 */

import java.util.Scanner;

public class U2_L3_Activity_Four {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("Enter a sentence");
        String sentence = scan.nextLine();
        System.out.println(sentence.indexOf(" "));
    }
}