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