#include<bits/stdc++.h>
using namespace std;
const int N = (int)3e3 + 5;
int n, m, cnt[2][N][N];
char s[N][N];
long long ans;
int main () {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= m; ++j) cin >> s[i][j];
}
for (int i = n; i > 0; --i) {
for (int j = m; j > 0; --j) {
cnt[0][i][j] = cnt[0][i][j + 1] + (s[i][j] == 'O');
cnt[1][i][j] = cnt[1][i + 1][j] + (s[i][j] == 'I');
if (s[i][j] == 'J') ans += cnt[0][i][j] * cnt[1][i][j];
}
}
cout << ans;
return 0;
}
