#include <iostream>
using namespace std;
int main()
{
int n, m, min = 100000000, t[100][100];
cin >> n >> m;
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < m; ++j)
{
cin >> t[i][j];
if (t[i][j] < min)
{
min = t[i][j];
}
}
}
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < m; ++j)
{
if (t[i][j] < 0)
{
t[i][j] = min;
}
cout << t[i][j] << " ";
}
cout << endl;
}
return 0;
}