#include <bits/stdc++.h>
using namespace std;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
    long long n,p;
    cin >> n >> p;
    long long x = pow(10,n - 1);
    int m = 2147483647;
    long long r = -1;
    while (x < pow(10,n))
	{
        int sum = 0;
        long long temp = x;
        while (temp > 0)
		{
            sum += temp % 10;
            temp /= 10;
        }
        if (sum % p < m || (sum % p == m && x < r))
		{
            m = sum % p;
            r = x;
        }
        x++;
    }
    cout << r;
    return 0;  
}

TLE #2 ~ 10

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