#include<iostream>
using namespace std;
int main()
{
    int x=0,y=0;

    while(cin>>x>>y)
    {
        if(x>y)
        swap(x,y);
        if(x<=0||y<=0)
        {
            return 0;

        }
        int i=x,sum=0;
        for(;i<=y;i++)
        {
            cout<<i<<" ";
            sum+=i;
        }
        printf("Sum=%d\n",sum);
    }
    return 0;
}