#include "bits/stdc++.h"
using namespace std;
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;
void solve() {
int n, m;
cin >> n >> m;
vector<string> g(n);
auto cols = vector<vector<int>>(n + 1, vector<int>(m));
auto rows = vector<vector<int>>(n, vector<int>(m + 1));
i64 cnt = 0;
fill(cols[0].begin(), cols[0].end(), 0);
for(int i = 0; i < n; ++i) {
cin >> g[i];
rows[i][0] = 0;
for(int j = 0; j < m; ++j) {
rows[i][j + 1] = rows[i][j];
cols[i + 1][j] = cols[i][j];
if(g[i][j] == 'O') ++rows[i][j + 1];
else if(g[i][j] == 'I') ++cols[i + 1][j];
}
}
for(int i = 0; i < n; ++i) {
for(int j = 0; j < m; ++j) {
if(g[i][j] != 'J') continue;
cnt += (0ll + rows[i][m] - rows[i][j]) * (cols[n][j] - cols[i][j]);
}
}
cout << cnt << '\n';
}
int main() {
ios_base :: sync_with_stdio(false);
cin.tie(0);
int t = 1;
//cin >> t;
while(t--) solve();
return 0;
}
