#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
int a, b;
while (cin >> a >> b, a > 0 && b > 0) //a和b为非正数时停止输入
{
if (a > b) swap(a, b); //小数在前大数在后
int sum = 0;
for (int i = a; i <= b; i ++ )
{
cout << i << ' '; //格式化输出
sum += i;
}
printf("Sum=%d\n", sum);
}
return 0;
}