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#include <cstdlib>
#include <iostream>
using namespace std;

int main(int argc, char *arg[]) 
{
    int tab[3][4] = {{0,1,2}
                     {3,4,5}
                     {6,7,8}};
    int s_p= 0;
    
    for(int i = 0 ; i < 3 ; i++){
        for(int j = 0 ; j < 3 ; j++){
           if(i > j){
              s_p = s_p + tab[i][j];
            }
        }
    }

    cout<<s_p<<endl;
    return 0;
}