#include <iostream>
using namespace std;

int main()
{
    //可写为
    //while (cin >> n >> m, n > 0 && m > 0)
    while(true)
    {
        int a, b;
        cin >> a >> b;
        if ((a <= 0) || (b <= 0)) break;

        if (a > b) swap(a, b);
        int sum = 0;
        for(; a <= b; a ++) 
        {
            cout << a << " ";
            sum += a;
        }
        cout << "Sum=" << sum << endl;
    }

    return 0;
}