/* -*- coding: utf-8 -*-
 *
 * 3731.cc:  No.3731 Kaleidoscope - yukicoder
 */

#include<cstdio>
#include<cstring>
#include<algorithm>

using namespace std;

/* constant */

const int MAX_L = 1000;
const int MAX_N = 1 << 10;

/* typedef */

/* global variables */

char s[MAX_L + 4], ss[MAX_N][MAX_N + 4];

/* subroutines */

/* main */

int main() {
  scanf("%s", s);
  int l = strlen(s);

  int n = (l + 1) / 2 * 2 + 3;
  for (int i = 0; i < n; i++) fill(ss[i], ss[i] + n, '#');
  ss[0][0] = '.';
  for (int i = 0; i < n; i++) ss[i][n - 1] = ss[n - 1][i] = '.';

  int y = 0, x = 0, dy = 0, dx = 1;
  for (int i = 0; i < l; i++) {
    y += dy, x += dx;
    ss[y][x] = '.';
    y += dy, x += dx;
    ss[y][x] = '.';

    if (s[i] == 'o') {
      int vy = y, vx = x;
      while (vy < n - 1 && vx < n - 1) {
	vy += dy, vx += dx;
	ss[vy][vx] = '.';
      }
    }
    
    swap(dy, dx);
  }

  printf("%d\n", n);
  for (int i = 0; i < n; i++) puts(ss[i]);
  
  return 0;
}