#include <iostream>

using std::cout ;
using std:: endl ;
using std::cin ;

int main()
{

    const int ROWS = 3, COLS = 3;
    int matrix[ROWS][COLS];
    int indexRows , indexCols;
    int maxrow = 0;
    int finalmax = 0;
    int numRow = 0;

    //
    //  for ( indexRows = 0; indexRows < ROWS; indexRows++)
    //      for ( indexCols = 0; indexCols < COLS; indexCols++)
    //          cin >> matrix[indexRows][indexCols];
    matrix[0][0]=1;
    matrix[0][1]=2;
    matrix[0][2]=9;
    matrix[1][0]=0;
    matrix[1][1]=0;
    matrix[1][2]=1;
    matrix[2][0]=3;
    matrix[2][1]=4;
    matrix[2][2]=2;
    while(indexRows < ROWS)
    {
        for ( indexCols = 0; indexCols < COLS; indexCols++)
            maxrow += matrix[indexRows][indexCols];
        if (maxrow > finalmax)
        {
            finalmax = maxrow;
            numRow = indexRows;
            indexRows++;
        }
        else
            indexRows++;
    }
    cout << numRow;
    return 0;

}