#include <iostream>
using namespace std;
int main() {
int m, n;
while (cin >> m >> n){
int sum = 0;
if (m <= 0 || n <= 0){
break;
}
if (m > n){
swap(m, n);
}
for (; m <= n; m++){
sum += m;
cout << m << ' ';
}
cout << "Sum=" << sum << endl;
}
return 0;
}