30 lines
600 B
C++
30 lines
600 B
C++
#include <bits/stdc++.h>
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using namespace std;
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inline bool isMas(char a, char b) {
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return (a == 'M' && b == 'S') || (a == 'S' && b == 'M');
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}
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int main() {
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ios::sync_with_stdio(0);
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cin.tie(0);
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vector<string> lines;
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string line;
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while (getline(cin, line) && !line.empty()) {
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lines.push_back(line);
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}
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int n = 0;
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for (int x = 1; x < lines.size() - 1; x++) {
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for (int y = 1; y < lines[x].size() - 1; y++) {
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if (lines[x][y] == 'A' &&
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isMas(lines[x - 1][y - 1], lines[x + 1][y + 1]) &&
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isMas(lines[x - 1][y + 1], lines[x + 1][y - 1])) {
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n++;
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}
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}
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}
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cout << n << '\n';
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}
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