#include <iostream>
#include <algorithm>

using namespace std;

int main()
{
    int a, b;
    while(cin >> a >> b, a > 0 && b > 0)
    {
        if(a > b) swap(a, b);

        int sum = 0;
        for(int i = a; i <= b; i++)
        {
            cout << i << " ";
            sum += i;
        }   

        cout << "Sum="<< sum << endl;
    }

    return 0;
}