#include<cstdio>
#include<iostream>
#include<cmath>

using namespace std;

int main()
{
    for(int i = 0;i < 1000;i ++)
    {
        int m, n;
        cin >> m >> n;
        if(m > n) swap(m,n);
        if(m <= 0 || n <= 0) break;//任意一个数非正则停止输入

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