#include <bits/stdc++.h>
#define newline '\n'
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
///**********************
const int NMAX = 103;
int n, m;
int a[NMAX][NMAX];

void read() {
    fin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            fin >> a[i][j];
}

void solve() {
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (a[i][k] && a[k][j] && i != j && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]))
                    a[i][j] = a[i][k] + a[k][j];
}

void display() {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++)
            fout << a[i][j] << ' ';
        fout << newline;
    }
}

int main() {
    read();
    solve();
    display();
    fout.close();
    return 0;
}