#include<iostream>
using namespace std;

int main()
{
    ios::sync_with_stdio(0);
    
    while (true)
    {
        int n,a,b;
    
        cin>>n;
        if (n==0) break;

        for(int i=0;i<n;++i)
        {
            cin>>a>>b;
            if(a!=b)
            {
                cout<<"INV"<<endl;
                cout<<"NUM "<<a+b<<endl;
                cout<<"ADD"<<endl;
                cout<<"END"<<endl<<endl;
            }else
                cout<<"END"<<endl<<endl;

        }
    }
            
    
    return 0;
}