#include <stdio.h>
#include <Windows.h>
void print1to10(){
	int x = 1;
	do {
		printf("%d", x);
		x++;
	} while (x <= 10);
}
void print10to1() {
	int x = 10;
	do {
		printf("%d", x);
		x-=1;
	} while (x >= 1);
}
void print5nechet() {
	int x = 1, k = 1;
	do {
		printf("%d", x);
		x += 2;
		k++;
	}while (k != 5);
}
void print100to10() {
	int x = 100;
	while (x >= 10) {
		printf("%d", x);
		x -= 10;
	}
}
void print1000to100() {
	int x = 1000;
	while (x >= 100) {
		printf("%d", x);
		x -= 100;
	}
}
void print1000to2() {
	int x = 1000;
	while (x >= 2) {
		printf("%d", x);
		x -= 2;
	}
}
int main() {
	int n = 0;
	scanf_s("%d", &n);
	switch (n) {
	case 1:
		print1to10();
		break;
	case 2:
		print10to1();
		break;
	case 3:
		print5nechet();
		break;
	case 11:
		print100to10();
		break;
	case 12:
		print1000to100();
		break;
	case 20:
		print1000to2();
		break;
	default:
		break; (n != 0);
	}
	return 0;
}