#include<fstream>
using namespace std;
int main ()
{
    ifstream fin ("teren.in");
    ofstream fout("teren.out");
    int a,b,c,q,nr,i;
    fin>>a;
    fin>>b;
    fin>>c;
    for(i=1;i<=a;i++)
    {
        q=1;
        while(q<=a)
        {
            fin>>nr;
            q++;
        }
    }
    fout<<a+b+c;
    return 0;
}