#include <bits/stdc++.h>
using namespace std;
/*{{{*/  //template
#define rep(i,n) for(int i=0;i<(int)(n);i++)
constexpr int INF = numeric_limits<int>::max()/2;
constexpr long long LINF = numeric_limits<long long>::max()/3;
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define all(v) (v).begin(),(v).end()
#define sz(x) (int)(x).size()
#define debug(x) cerr<<#x<<":"<<x<<endl
#define debug2(x,y) cerr<<#x<<","<<#y":"<<x<<","<<y<<endl
//struct fin{ fin(){ cin.tie(0); ios::sync_with_stdio(false); } } fin_;
struct Double{ double d; explicit Double(double x) : d(x){} };
ostream& operator<<(ostream& os,const Double x){ os << fixed << setprecision(20) << x.d; return os; }
template<typename T> ostream& operator<<(ostream& os,const vector<T>& vec){ os << "["; for(const auto& v : vec){ os << v << ","; } os << "]"; return os; }
template<typename T,typename U> ostream& operator<<(ostream& os,const pair<T,U>& p){ os << "(" << p.first << ","<< p.second <<")"; return os; }
template<typename T> ostream& operator<<(ostream& os,const set<T>& st){ os<<"{"; for(T v:st) os<<v<<","; os <<"}"; return os; }
template<typename T,typename U> inline void chmax(T &x,U y){ if(y>x) x = y; }
template<typename T,typename U> inline void chmin(T &x,U y){ if(y<x) x = y; }
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
ll gcd(ll a,ll b){ if(b==0) return a; else return gcd(b,a%b); }
//constexpr double eps = 1e-14; 
constexpr double eps = 1e-10; 
constexpr ll mod = 1e9+7;
const int dx[]={1,0,-1,0} ,dy[] = {0,1,0,-1};
/*}}}*/

constexpr int K = 50;

int main(){
    int a,b;
    cin >> a >> b;

    /*
     * [0..K-1][K..2*K-1]
     */
    vector<vector<char>> table(2*K,vector<char>(2*K));
    for(int i=0;i<2*K;i++){
        for(int j=0;j<2*K;j++){
            if(i<K) table[i][j] = '.';  // w
            else table[i][j] = '#';     // b
        }
    }


    int cnta = 0;
    int cntb = 0;
    if(b>1){
        for(int i=0;i<K-1;i++){
            for(int j=0;j<2*K;j++){
                int tmp = 0;
                for(int dx=-1;dx<=1;dx++) for(int dy=-1;dy<=1;dy++) if(!(dx==0 and dy==0)){
                    int x=i+dx,y=j+dy;
                    if(0<=x and x<2*K and 0<=y and y<2*K and table[x][y]=='#')  tmp++;
                }
                if(tmp == 0){
                    table[i][j] = '#';
                    cnta++;
                }
                if(cnta == b-1) break;
            }
            if(cnta == b-1) break;
        }
    }

    if(a>1){
        for(int i=K+1;i<2*K;i++){
            for(int j=0;j<2*K;j++){
                int tmp = 0;
                for(int dx=-1;dx<=1;dx++) for(int dy=-1;dy<=1;dy++) if(!(dx==0 and dy==0)){
                    int x=i+dx,y=j+dy;
                    if(0<=x and x<2*K and 0<=y and y<2*K and table[x][y]=='.') tmp++;
                }
                if(tmp == 0){
                    table[i][j] = '.';
                    cntb++;
                }
                if(cntb == a-1) break;
            }
            if(cntb == a-1) break;
        }
    }

    cout << 100 << " " << 100 << endl;
    rep(i,100){
        rep(j,100) cout << table[i][j];
        cout << endl;
    }
}


Measured memory_bytes: 256