ОГЭ

import javax.swing.plaf.synth.SynthDesktopIconUI;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String x = input.nextLine();
        int count = 0;
        int y = Integer.parseInt(x);
        while (y!=0){
            if ((x.length() == 3)&&(y % 4 == 0)){
                count++;
            }
            x = input.nextLine();
            y = Integer.parseInt(x);
        }
        System.out.println(count);
    }
}