include <iostream>

include <string>

using namespace std; int main() { int n, m; cin >> n >> m; string a, b; for (int i = 0; i < m / 9; i++) a += 9 + 48; if (m % 9) a += m % 9 + 48; for (int i = 0; i < n - m / 9 - (m % 9 != 0); i++) a += 48; for (int i = a.length() - 1; i >= 0; i--) b += a[i]; if (b[0] == 48) for (int i = 1; i < b.length(); i++) if (b[i] != 48) { b[0] = 49; b[i]--; break; } cout << b << " " << a << endl; }