#include <bits/stdc++.h>
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define chmin(a, b) ((b) < a && (a = (b), true))
#define chmax(a, b) (a < (b) && (a = (b), true))
using namespace std;
typedef long long ll;

int main() {
	ll a, b;
	cin >> a >> b;
	map<ll, string> mp;
	srand(time(NULL));
	while (true) {
		string s;
		rep (i, 100) s += rand() % 26 + 'a';
		ll h = 0;
		rep (i, 100) h = (h * a + s[i]) % b;
		if (mp.count(h)) {
			cout << mp[h] << endl;
			cout << s << endl;	
			return 0;
		}
		mp[h] = s;
	}
	return 0;
}