#include <bits/stdc++.h>
using namespace std;
const int MM = 3e3+5;
int n,m,psar[MM][MM],psac[MM][MM]; char g[MM][MM];
int main(){
cin >> n >> m;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> g[i][j];
}
}
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
psar[i][j] = psar[i][j-1] + (g[i][j] == 'O');
}
}
for(int j = 1; j <= m; j++){
for(int i = 1; i <= n; i++){
psac[i][j] = psac[i-1][j] + (g[i][j] == 'I');
}
}
int64_t ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(g[i][j] == 'J'){
int cnt1 = psar[i][m] - psar[i][j];
int cnt2 = psac[n][j] - psac[i][j];
ans += 1ll*cnt1*cnt2;
}
}
}
cout << ans << "\n";
}
