#define _USE_MATH_DEFINES
#include<iostream>
#include<vector>
#include<algorithm>
#include<cmath>
#include<string>
#include<iomanip>
#include<numeric>
#include<queue>
#include<deque>
#include<stack>
#include<set>
#include<map>
#include<random>
#include<bitset>
#include<cassert>
#include<complex>
#include<fstream>
#include<cstdlib>
using namespace std;
typedef long long ll;
const int mod=998244353;
const int dx[]={1,0,0,-1},dy[]={0,1,-1,0};
unsigned long long get_hash(string s, unsigned long long a, unsigned long long b){
	unsigned long long hash = 0;

	for(int i = 0; i < s.size(); i++){
		hash = (hash * a + s[i]) % b;
	}

	return hash;
}
string str[100000];
int main(){
	random_device seed_gen;
	default_random_engine engine(seed_gen());
	uniform_int_distribution<>dist('a','z');
	int a,b;
	cin>>a>>b;
	for(;;){
		string s;
		for(int i=0;i<10;i++)
			s+=char(dist(engine));
		int h=get_hash(s,a,b);
		if(str[h]=="")
			str[h]=s;
		else
			cout<<s<<endl<<str[h]<<endl,exit(0);
	}
}