#include <iostream>
#include <string>

using namespace std;

int main() {
	int n;
	cin >> n;
	string s;
	for (int digit = 1; digit <= n; ++digit) {
		for (int i = 0; i < n; ++i) {
			s.push_back('0' + (digit % 10));
		}
	}
	cout << s << endl;
	return 0;
}