TEMA

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

    Scanner input =new Scanner(System.in);
    int M;
    int N;
    int soma = 0;

    while(( ( M = input.nextInt()) > 0) && ( ( N = input.nextInt())> 0)) {
        if(M > N ) {
            for(int i = N; i <= M; i++) {
                soma +=i;
                System.out.print(i+" ");

            }
            //System.out.print(i);
            System.out.println("Sum="+soma);
        }else if(M < N ) {
                for(int i = M; i <= N; i++) {
                    soma +=i;
                    System.out.print(i+" ");

                }
                //System.out.print(i);
                System.out.println("Sum="+soma);
            }else if(M == N) {

                soma = M;
                System.out.println(M + " Sum=" + soma);

            }else if( M == 0 || N == 0) {
                break;

            }

    }

    input.close();
}

}