#include <bits/stdc++.h>
using namespace std;

int main()
{
	int n;
	cin >> n;
	
	if(n == 1) cout << 1891 << endl;
	else if(n == 2)
	{
		vector<int> p(10);
		for(int i = 0; i < 10; i++) p[i] = i;
		int a, b, c;
		do
		{
			if(p[0] == 0 || p[3] == 0 || p[7] == 0) continue;
			a = p[0] * 1000 + p[0] * 100 + p[1] * 10 + p[2];
			b = p[3] * 1000 + p[4] * 100 + p[5] * 10 + p[6];
			c = p[7] * 10000 + p[8] * 1000 + p[1] * 100 + p[2] * 10 + p[9];
			if(a + b == c)
			{
				cout << c << endl;
				return 0;
			}
		} while(next_permutation(p.begin(), p.end()));
	}
	else
	{
		vector<int> p(10);
		for(int i = 0; i < 10; i++) p[i] = i;
		int a, b, c;
		do
		{
			if(p[0] == 0 || p[6] == 0 || p[1] == 0) continue;
			a = p[0] * 100000 + p[1] * 10000 + p[2] * 1000 + p[3] * 100 + p[4] * 10 + p[5];
			b = p[6] * 10000 + p[3] * 1000 + p[5] * 100 + p[7] * 10 + p[8];
			c = p[1] * 100000 + p[3] * 10000 + p[9] * 1000 + p[4] * 100 + p[3] * 10 + p[9];
			if(a + b == c)
			{
				cout << c << endl;
				return 0;
			}
		} while(next_permutation(p.begin(), p.end()));
	}
	return 0;
}