#include <fstream>

using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

const int INF= 1e9;
int n, a[101][101];

void roy_floyd()
{

}

int main()
{
    in >> n;
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            in >> a[i][j];
            if(a[i][j] == 0 && i != j)
            {
                a[i][j] = INF;
            }
        }
    }
    roy_floyd();
    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++)
        {
            if(a[i][j] == INF)
            {
                a[i][j] = 0;
            }
            out << a[i][j] << " ";
        }
        out << '\n';
    }
    return 0;
}