#include "../include/useful_funcs.h"
#include <asm-generic/errno.h>
#include <cstdlib>
#include <errno.h>
#include <fstream>
#include <iostream>
#include <vector>
#define RANGE 1

int res;

int Check(std::vector<std::vector<char>> &wordsearch, int i, int j) {
  int xmases = 0;
  char op_i;
  char op_j;

  // array to store the 4 directions
  /*
  0 1
   a
  2 3
  */
  char xarray[4] = {'\0', '\0', '\0', '\0'};

  for (int w = 0; w < 4; w++) {
    switch (w) {
    case 0:
      // search up-left
      op_i = '-';
      op_j = '-';
      if (!AreWeInBounds(i - RANGE, j - RANGE, wordsearch)) {
        continue;
      }
      break;
    case 1:
      // search up-right
      op_i = '-';
      op_j = '+';
      if (!AreWeInBounds(i - RANGE, j + RANGE, wordsearch)) {
        continue;
      }
      break;
    case 2:
      // search down-left
      op_i = '+';
      op_j = '-';
      if (!AreWeInBounds(i + RANGE, j - RANGE, wordsearch)) {
        continue;
      }
      break;
    case 3:
      // search down-right
      op_i = '+';
      op_j = '+';
      if (!AreWeInBounds(i + RANGE, j + RANGE, wordsearch)) {
        continue;
      }
      break;
    default:
      std::cerr << "How did we get here?" << std::endl;
      exit(255);
      break;
    }
    if (wordsearch[i][j] == 'A') {
      if (wordsearch[conditional_operation(i, 1, op_i)]
                    [conditional_operation(j, 1, op_j)] == 'M' ||

          wordsearch[conditional_operation(i, 1, op_i)]
                    [conditional_operation(j, 1, op_j)] == 'S') {

        xarray[w] = wordsearch[conditional_operation(i, 1, op_i)]
                              [conditional_operation(j, 1, op_j)];
      }
    }
  }

  int ofset = 3;
  for (int w = 0; w < 2; w++) {
    if (xarray[w] == 'M' && xarray[w + ofset] == 'S') {
      xmases++;
    } else if (xarray[w] == 'S' && xarray[w + ofset] == 'M') {
      xmases++;
    }
    ofset -= 2;
  }
  if (xmases == 2) {
    return 1;
  } else {
    return 0;
  }
}

int main() {
  std::ifstream inputfile("input");
  std::string input;

  res = 0;
  if (!inputfile.is_open()) {
    std::cerr << "Could not open the file" << std::endl;
    return ENOENT;
  }
  std::string line;
  std::vector<std::vector<char>> wordsearch;

  while (std::getline(inputfile, line)) {
    wordsearch.push_back(std::vector<char>(line.begin(), line.end()));
  }
  for (int i = 0; i < wordsearch.size(); i++) {
    for (int j = 0; j < wordsearch[i].size(); j++) {
      if (wordsearch[i][j] == 'A') {
        res += Check(wordsearch, i, j);
      }
    }
  }
  std::cout << res << std::endl;
}