#include <bits/stdc++.h>
using namespace std;
using ull=unsigned long long;
using ll=long long;
map<ll,string> mp;
pair<string,string> pz;
ll a,b;
pair<string,ll> get_rand(){
    string s;
    ll ans=0;
    for(int i=0;i<7;i++){
        char c=rand()%26+'a';
        s=s+c;
        ans=(ans*a+c-'a'+1)%b; 
    }
    return  {s,ans};
}
void solve() {
    cin>>a>>b;
    int cnt=0;
    mp.clear();
    while(1){
        pair<string,ll> p=get_rand();
        //cout<<p.second<<'\n'; 
        if(mp.find(p.second)==mp.end())  mp[p.second]=p.first;
        else if(mp[p.second]==p.first)  continue;
        else{
            pz={mp[p.second],p.first};
            break;
        }
    }
    for(int i=1;i<=100;i++){
        string s;
        for(int j=0;j<7;j++){
            if((i>>j)&1)    s=s+pz.first;
            else s=s+pz.second;
        }
        cout<<s<<'\n';
    }
}
int main() {
    //ios::sync_with_stdio(0),cin.tie(0);
    srand(time(NULL));
    int _ = 1;
    //cin >> _;
    while(_--) solve();
    return 0;
}