#include <iostream>
using namespace std;
//Simon Kovarovic
int main()
{	//pro lepsi pochopeni byly misto mezer doplneny znaky . : - ~
	int X;
	int x2;
	cout << "zadej cislo: ";
	cin >> X;
	x2 = (X*X)-1;
	
	for (int i = 1; i<X; i++) {
		for (int j = 1; j<X; j++) {
			if (i<j){
				cout << i;
			}
			else {
				cout << j;
			}
			cout << ".";
		}
		for (int j = X; j>=1; j--) {
			if (i<j){
				cout << i;
			}
			else {
				cout << j;
			}
			cout << ":";
		}
		cout << "\n";
	}
	
	for (int i = X; i>=1; i--) {
		for (int j = 1; j<X; j++) {
			if (i<j){
				cout << i;
			}
			else {
				cout << j;
			}
			cout << "-";
		}
		for (int j = X; j>=1; j--) {
			if (i<j){
				cout << i;
			}
			else {
				cout << j;
			}
			cout << "~";
		}
		cout << "\n";
	}
	
}