#define STOPIT
#include <bits/stdc++.h>
#define loop(n) for (lint ngtkana_is_a_genius = 0; ngtkana_is_a_genius < lint(n); ngtkana_is_a_genius++)
#define rep(i, begin, end) for (lint i = lint(begin); (i) < lint(end); i++)
#define all(v) v.begin(), v.end()
#define rand(l, r) std::uniform_int_distribution<>(l, r)(mt)
using lint = long long;
auto mt = std::mt19937_64(std::random_device{}());
auto cmn = [](auto&& a, auto b){ if (a > b) {a = b; return true;} return false; };
auto cmx = [](auto&& a, auto b){ if (a < b) {a = b; return true;} return false; };
void debug_impl() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void debug_impl(Head head, Tail... tail) { std::cerr << " " << head; debug_impl(tail...); }
#ifndef STOPIT
#define debug(...)\
  do {\
    std::cerr << std::boolalpha << "[" << #__VA_ARGS__ << "]:";\
    debug_impl(__VA_ARGS__);\
    std::cerr << std::noboolalpha;\
  } while (false)
#else
#define debug(...) {}
#endif

template < typename Container, typename Value = typename Container::value_type, std::enable_if_t<!std::is_same< Container, std::string >::value, std::nullptr_t> = nullptr>
std::istream& operator>> (std::istream& is, Container& v)
  { for (auto & x : v) { is >> x; } return is; }

template < typename Container, typename Value = typename Container::value_type, std::enable_if_t<!std::is_same< Container, std::string >::value, std::nullptr_t> = nullptr >
std::ostream& operator<< (std::ostream& os, Container const& v) {
 os << "{";
  for (auto it = v.begin(); it != v.end(); it++)
    {os << (it != v.begin() ? "," : "") << *it;}
  return os << "}";
}

template <typename T>
auto make_vector_impl(size_t sz, T t) {return std::vector<T>(sz, t);}

template <size_t N, typename T, typename U, std::enable_if_t<N == 1, std::nullptr_t> = nullptr>
auto make_vector(size_t sz, U u) {return make_vector_impl(sz, T(u));}

template <size_t N, typename T, std::enable_if_t<N == 1, std::nullptr_t> = nullptr>
auto make_vector(size_t sz) {return std::vector<T>(sz);}

template <size_t N, typename T, typename... Args, std::enable_if_t<N != 1, std::nullptr_t> = nullptr>
auto make_vector(size_t a, Args... args) {return make_vector_impl(a, make_vector<N - 1, T>(args...));}

template <typename T, typename Size_t>
auto& at(T& t, Size_t i) {return t.at(i);}

template <typename T, typename Size_t, typename... Args>
auto& at(T& t, Size_t i, Args... args) {return at(t.at(i), args...);}

template < class Value >
auto rotate180(std::vector< std::vector< Value > > const& a) {
  std::size_t h = a.size(), w = a.front().size();
  std::vector< std::vector< Value > > b(h, std::vector< Value >(w));
  for (std::size_t i = 0; i < h; i++) {
    for (std::size_t j = 0; j < w; j++) {
      b.at(h-1-i).at(w-1-j) = a.at(i).at(j);
    }
  }
  return b;
}

/*
上半分が白、下半分が黒なものを作って、穴を開ければよいです。
*/

int main() {
  std::cin.tie(0); std::cin.sync_with_stdio(false);
  int A, B; std::cin >> A >> B;
  std::swap(A,B);
  A--,B--;
  int n = 100;
  int l = n / 2;
  auto grid = make_vector<2,int>(n,n);
  rep(i,l,n) rep(j,0,n) {
    at(grid,i,j) = 1;
  }

  loop(2) {
    for (int i = 1; i < n; i += 2) {
      if (A==0) break;
      for (int j = 1; j < n; j += 2) {
        if (A==0) break;
        at(grid,i,j) = 1;
        A--;
      }
    }

    assert(A==0);
    std::swap(A,B);
    grid = rotate180(grid);
    for (auto&& v : grid) {
      for (int & x : v)  {
        x ^= 1;
      }
    }
  }

  std::cout << n << " " << n << std::endl;
  for (auto&& v : grid) {
    rep(i,0,n) {
      std::cout << (v.at(i) ? '#' : '.');
    }
    std::cout << std::endl;
  }
  return 0;
}

Measured memory_bytes: 384