import java.text.SimpleDateFormat;
import java.util.Objects;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int c=0;
        int i=0;
        for(i=a;i<=b;i=i+5)
        {
            int j=0;
            for(j=i;j<i+5&&j<=b;j++)//打印5个数字一行但是不会右侧对齐
            {
                System.out.print("\t"+j);
            }
            System.out.println("");
        }
        for(i=a;i<=b;i++)//求和
        {
            c=c+i;
        }
        System.out.println("sum = "+c);
    }
}