#include <bits/stdc++.h>
#define INT long long int
#define MOD 998244353
#define oo 6*(1e18)
using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    freopen(".77.in","w",stdout);
    srand(time(NULL));
    cout<<(rand()*rand()*rand())%1000000000<<endl;
    for(int i = 0 ; i < 100000 ; i++ )
        if( rand()%2 ) cout<<(char)(rand()%26+'a');
        else cout<<(char)(rand()%26+'A');
    cout<<endl;
    for(int i = 0 ; i < 100000 ; i++ )
        if( rand()%2 ) cout<<(char)(rand()%26+'a');
        else cout<<(char)(rand()%26+'A');
    cout<<endl;
    for(int i = 0 ; i < 100000 ; i++ )
        if( rand()%2 ) cout<<(char)(rand()%26+'a');
        else cout<<(char)(rand()%26+'A');
}