#include <iostream>

using namespace std;

int main()
{
    int m,n;
    while(cin >> m >> n, m > 0 && n > 0)
    {
        if (m > n) swap(m, n);

        int sum;
        for (int i = m;i <= n; i ++)
        {
            cout << i << " ";
            sum += i;
        }
        cout << "Sum=" << sum << endl;
    }
    return 0;
}