package com.company;

import java.util.*;

public class test {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = scanner.nextInt();
        int count=0;

        for (int i = 1; i < n; i++) {
            for (int j = 1; j <= n; j++) {
                System.out.print(i + " ");
                count++;
                if (i == j||count>=n) {
                    break;
                }

            }
            if (count>=n) {
                break;
            }
        }
    }
}