import java.util.Scanner;
public class zadacha8 {
    public static Scanner scan = new Scanner(System.in);
    public static void main(String args[]) {
        int number, min = 100;
        number = scan.nextInt();
        int[][] matr = new int[number][number];
        for(int i = 0; i < number; i++) {
            for(int j = 0; j < number; j++){
                matr[i][j] = scan.nextInt();
            }
        }
        for(int i = 0; i < number; i++){
            for(int j = 0; j < number; j++){
                if( j == number - 1 - i){
                    min = Math.min(matr[i][j], min);
                }
            }
        }
        for(int i = 0; i < number; i++){
            for(int j = 0; j < number; j++){
                if (matr[i][j] == 0){
                    matr[i][j] = min;
                }
                System.out.println(matr[i][j]);
            }
            System.out.println();
        }
    }
}