#include <bits/stdc++.h>
using namespace std;

const int Maxn = 100;

int A, B;
char res[Maxn][Maxn];

int main()
{
    scanf("%d %d", &A, &B);
    printf("%d %d\n", Maxn, Maxn);
    for (int i = 0; i < Maxn / 2; i++)
        for (int j = 0; j < Maxn; j++)
            res[i][j] = '.';
    for (int i = Maxn / 2; i < Maxn; i++)
        for (int j = 0; j < Maxn; j++)
            res[i][j] = '#';
    for (int i = 0; i + 1 < Maxn / 2; i += 2)
        for (int j = 0; j < Maxn; j += 2) {
            if (B > 1) { res[i][j] = '#'; B--; }
        }
    for (int i = Maxn / 2 + 1; i < Maxn; i += 2)
        for (int j = 0; j < Maxn; j += 2) {
            if (A > 1) { res[i][j] = '.'; A--; }
        }
    for (int i = 0; i < Maxn; i++) {
        for (int j = 0; j < Maxn; j++)
            printf("%c", res[i][j]);
        printf("\n");
    }
    return 0;
}