#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
vector<pii> posJ;
vector<vector<int> > cntO(3010, vector<int> (3010, 0)), cntI(3010, vector<int> (3010, 0));
int n, m;
int main() {
ios::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
char c; cin >> c;
if(c == 'J') posJ.push_back({i, j});
else if(c == 'O') cntO[i][j]++;
else cntI[i][j]++;
}
}
for(int i = 1; i <= n; i++) {
for(int l = m - 1; l >= 1; l--) {
cntO[i][l] += cntO[i][l + 1];
}
}
for(int j = 1; j <= m; j++) {
for(int k = n - 1; k >= 1; k--) {
cntI[k][j] += cntI[k + 1][j];
}
}
ll res = 0;
for(auto [i, j] : posJ) {
res += (cntO[i][j + 1] * cntI[i + 1][j]);
}
cout << res << '\n';
return 0;
}
