/**
____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|
**/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main () {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int N, M;
cin >> N >> M;
char mat[N][M];
for (int i = 0; i < N; i++) {
for (int j = 0; j < M; j++) {
cin >> mat[i][j];
}
}
int R[N][M];
for (int i = 0; i < N; i++) {
for (int j = M - 1, curr = 0; j >= 0; j--) {
curr += (mat[i][j] == 'O');
R[i][j] = (mat[i][j] == 'J' ? curr : 0);
}
}
ll answer = 0;
for (int j = 0; j < M; j++) {
for (int i = 0, curr = 0; i < N; i++) {
curr += R[i][j];
if (mat[i][j] == 'I') {
answer += curr;
}
}
}
cout << answer << "\n";
return 0;
}
