#include<iostream>
#include<cstdio>
#include<cctype>
#include<algorithm>
#include<cmath>
#include<vector>
#include<set>
#include<map>
#include<cstring>
#include<queue>
#include<stack>
#define inf 0x7fffffff
using namespace std;
int n;
char str[]="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
int main()
{
    scanf("%d",&n);
    printf("2 %d %d\n",n,n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%c",str[j-1]);
        printf("\n");
    }
    printf("\n");
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%c",str[i-1]);
        printf("\n");
    }
    return 0;
}