#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m;
cin >> n >> m;
char a[n + 1][m + 1];
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
cin >> a[i][j];
}
}
int sufo[n + 2][m + 2];
int sufi[n + 2][m + 2];
for(int i = 0; i <= n + 1; i++) {
for(int j = 0; j <= m + 1; j++) {
sufo[i][j] = 0;
sufi[i][j] = 0;
}
}
for(int i = 1; i <= n; i++) {
for(int j = m; j >= 1; j--) {
sufo[i][j] = sufo[i][j + 1];
if(a[i][j] == 'O') {
sufo[i][j] += 1;
}
}
}
for(int i = 1; i <= m; i++) {
for(int j = n; j >= 1; j--) {
sufi[j][i] = sufi[j + 1][i];
if(a[j][i] == 'I') {
sufi[j][i] += 1;
}
}
}
int ans = 0;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
if(a[i][j] == 'J') {
ans += sufo[i][j + 1] * sufi[i + 1][j];
}
}
}
cout << ans;
}
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