#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()
#define debug(x) cerr << #x << " is " << x << endl
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;
const int INF = 1e9 + 7;
char a[3003][3003];
int I[3003][3003], O[3003][3003];
signed main()
{
IO_OP;
int n, m;
cin >> n >> m;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cin >> a[i][j];
ll ans = 0;
for(int i=1;i<=n;i++)
for(int j=m;j>=1;j--)
O[i][j] = O[i][j+1] + (a[i][j] == 'O');
for(int j=1;j<=m;j++)
for(int i=n;i>=1;i--)
I[i][j] = I[i+1][j] + (a[i][j] == 'I');
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
if(a[i][j] == 'J')
ans += O[i][j] * I[i][j];
cout << ans << endl;
}
