import java.util.*;
 
class multi_arrays {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        int n = in.nextInt(); //Объявление переменной, обозначающей размерность массива
            int[][] a = new int [n][n];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                a[i][j] = in.nextInt();
            }
        }
        for (int i = 0; i < n; i++) {
            int min = a[i][0];
            for (int j = 0; i - j >= 0; j++)   // критерий отбора элементов под главной диагональю
            {
                if (a[i][j] < min) {
                    min = a[i][j];
                }
            }
            System.out.println(min);
        }
    }
}

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4
4	3	2	1
4	3	2	1
4	3	2	1
4	3	2	1