#include <iostream>
using namespace std;

int main() {
    cout << "Enter a Number : ";
    int n;
    cin >> n;
    cout << endl;
    
    int row = 1;
    while(row <= n){
        int col = 1;
        while( col <= n){
            cout << n - col + 1 << " ";
            col += 1;
        }
        // int col = n;
        // while(col >= 1){
        //     cout << col << " ";;
        //     col -= 1;
        // }
        cout << endl;
        row += 1;
    }
}