#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
const int mxN = 3e3 + 5;
ll n,cntl[mxN][mxN],cntk[mxN][mxN],m,ans;
char ch[mxN][mxN];
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
cin >> ch[i][j];
}
}
for(int i = 0; i < n; i++){
for(int j = m - 1; j >= 0; j--){
cntl[i][j] = cntl[i][j + 1] + (ch[i][j] == 'O');
}
}
for(int j = 0; j < m; j++){
for(int i = n - 1; i >= 0; i--){
cntk[i][j] = cntk[i + 1][j] + (ch[i][j] == 'I');
}
}
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
if(ch[i][j] == 'J') ans += cntl[i][j] * cntk[i][j];
}
}
cout << ans;
}
