Задача 8

import java.util.Scanner;

public class task8 {
    static String s;
    static int i,sum,sum2;
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        s=sc.nextLine();
        for (i=0; i<s.length(); i++) {
               if (i<3) sum=sum+(int)s.charAt(i)-(int)'0';
               else sum2=sum2+(int)s.charAt(i)-(int)'0';
            }
        if (sum==sum2) System.out.println("Yes");
        else System.out.println("No");
    }

}