#include <iostream>
using namespace std;
 
int main() {
 
       while(true) {
        int X,Y;
        cin >>X>>Y;
          int Z=0;
          int l=0;
             if (X<=0 || Y<=0) {
            return 0;
             if (X>Y) {
            for (int i=Y;i<=X;i++) {
                int Z=i;
                cout <<i<<" ";
                Z +=i;
            } cout <<"sum"<<" "<<'='<<Z<<endl;
            }else if (Y>X) {
            for (int g=X;g<=Y;g++) {
            int l=g;
            cout <<g<<" ";
            l +=g;
            } cout <<"sum"<<" "<<'='<<l<<endl;
            }
       }
 
    return 0;}
}
 
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