#include <bits/stdc++.h>

using namespace std;

int main()
{
    srand(time(NULL));
    freopen(".5.in","w", stdout);
    printf("100 100\n");
    for(int i = 0 ; i < 100 ; i++ )
    {
        for(int j = 0 ; j < 100 ; j++ )
            printf("%c", rand()%26+'a');
        puts("");
    }
}