#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<map>
#define all(x) x.begin(),x.end()
#define pb push_back
#define ll long long
using namespace std;
int main() {
	int n;
	int h=0;
	cin >> n;
	if (n == 1) cout << 1 << endl;
	else if (n == 10) {
		for (int i = 1; i <= 10; i++) {
			cout << 1234567890;
		}
		cout << endl;
	}
	else {
		for (int i = 1; i <= n; i++) {
			 h += i;
			 if (i != n) h *= 10;
			 else break;
		}
		for (int i = 1; i <= n; i++) {
			cout << h;
		}
		cout << endl;
	}
	
	return 0;
}