View Code of Problem 58

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String nextLine = scanner.nextLine();
        String[] split = nextLine.split(" ");
        int sum = 0;
        for (int i = 0; i < split.length; i++) {
            if (!"".equals(split[i].trim())) {
                sum++;
            }
        }
        System.out.println(sum);
    }
}