#include <iostream>
using namespace std;
int main(){
    int m, n;
    while(cin >> m >> n, (m > 0 && n >0)){
        int tmp = max(m, n);
        int tmp1 = min(m, n);
        m = tmp1;
        n = tmp;
        int sum = 0;
        for(int i = m; i <= n; i ++ ){
            sum += i;
            cout << i << " "; 
        }
        cout << "Sum=" << sum << endl;
    }
    return 0;
}