#include <bits/stdc++.h>
using namespace std;
int N, M;
int ingot[3005][3005];
int orb[3005][3005];
char mp[3005][3005];
int main(){
cin.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 >> mp[i][j];
}
}
for(int i = 1; i<=N; i++){
for(int j = M; j; j--){
orb[i][j] = orb[i][j+1] + (mp[i][j] == 'O');
}
}
for(int i = 1; i<=M; i++){
for(int j = N; j; j--){
ingot[j][i] = ingot[j+1][i] + (mp[j][i] == 'I');
}
}
long long ans = 0;
for(int i = 1; i<=N; i++){
for(int j = 1; j<=M; j++){
if(mp[i][j] == 'J'){
ans += ingot[i][j] * orb[i][j];
}
}
}
cout << ans << "\n";
}
