#include<stdio.h>
int main()
{
    int i,M,N,sum=0;

    while(1)
    {
        scanf("%d %d",&M,&N);
        if(M<=0 || N<=0)
        {
            break;
        }
        else
        {
            for(i=N; i<=M; i++)
            {
                sum=sum+i;
                printf("%d ",i);
            }
            printf("Sum=%d\n",sum);
            sum=0;
        }
    }
    return 0;
}