#include<cstdio>
#include<iostream>
#include<algorithm>

using namespace std;

int main()
{
    int m,n,sum;
    while(1)
    {
        cin>>m>>n;
        if(m>n)  swap(m,n);
        if(m<=0) break;
        sum=0;
        for(int i=m;i<=n;i++)
        {
            sum+=i;
            cout<<i<<' ';
        }
        cout<<"Sum="<<sum;
        cout<<endl;
    }
}

2

#include<cstdio>
#include<iostream>
#include<algorithm>

using namespace std;

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