#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int n,m; cin >> n >> m;
vector<vector<int>> J(n + 1, vector<int>(m + 1));
vector<vector<int>> O(n + 1, vector<int>(m + 1));
vector<vector<int>> I(n + 1, vector<int>(m + 1));
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
char c; cin >> c;
if(c == 'J') J[i][j] = 1;
if(c == 'O') O[i][j] = 1;
if(c == 'I') I[i][j] = 1;
}
}
for(int i = n - 1; i >= 1; i--){
for(int j = 1; j <= m; j++){
I[i][j] = I[i + 1][j] + I[i][j];
}
}
for(int i = m - 1; i >= 1; i--){
for(int j = 1; j <= n; j++){
O[j][i] = O[j][i] + O[j][i + 1];
}
}
ll answer = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(J[i][j]){
answer = answer + 1ll * O[i][j] * I[i][j];
}
}
}
cout << answer << "\n";
return 0;
}
