// File bravebitaro.cpp created on 02.10.2025 at 10:59:28
#include <bits/stdc++.h>
using i64 = long long;
#ifdef DEBUG
#include "/home/ahmetalp/Desktop/Workplace/debug.h"
#else
#define debug(...) void(23)
#endif
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int N, M;
std::cin >> N >> M;
std::vector<std::string> A(N);
for (int i = 0; i < N; ++i) {
std::cin >> A[i];
}
std::vector<std::vector<i64>> f(N + 1, std::vector<i64>(M));
std::vector<std::vector<i64>> g(N, std::vector<i64>(M + 1));
for (int i = N - 1; i >= 0; --i) {
for (int j = 0; j < M; ++j) {
f[i][j] = f[i + 1][j] + (A[i][j] == 'I');
}
}
for (int j = M - 1; j >= 0; --j) {
for (int i = 0; i < N; ++i) {
g[i][j] = g[i][j + 1] + (A[i][j] == 'O');
}
}
i64 ans = 0;
for (int i = 0; i < N; ++i) {
for (int j = 0; j < M; ++j) {
if (A[i][j] == 'J') {
ans += f[i][j] * g[i][j];
}
}
}
std::cout << ans << '\n';
return 0;
}
