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

int main() {
	uint64_t a, b;
	cin >> a >> b;
	if (b == 1) {
		cout << "ab" << endl;
		cout << "ba" << endl;
		return 0;
	}
	int l = -1, r = -1;
	{
		int puni[b];
		fill(puni, puni + b, -1);
		uint64_t muni = 1;
		for (int i = 0; i < 1000000; i++, (muni *= a) %= b) {
			if (0 <= puni[muni]) {
				l = puni[muni];
				r = i;
				break;
			}
			puni[muni] = i;
		}
	}
	string s(r + 1, ' ');
	{
		random_device rnd;
		for (auto &c : s) {
			c = 'a' + rnd() % 26;
		}
	}
	cout << s << endl;
	swap(s[0], s[s.size() - 1 - l]);
	cout << s << endl;
	return 0;
}