#include<bits/stdc++.h>
using namespace std;
#define task "a"
#define se second
#define fi first
#define ll long long
#define ii pair<ll, ll>
const long mxN = 3e3 + 7;
ll Row[mxN][mxN], Col[mxN][mxN];
int nRow, nCol;
char chr[mxN][mxN];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
//freopen(task".INP", "r", stdin);
//freopen(task".OUT", "w", stdout);
cin >> nRow >> nCol;
for (int i = 1; i <= nRow; i++)
{
for (int j = 1; j <= nCol; j++)
cin >> chr[i][j];
}
ll ans = 0;
for (int i = nRow; i >= 1; i--)
{
for (int j = nCol; j >= 1; j--)
{
Row[i][j] = Row[i][j + 1] + (chr[i][j] == 'O');
Col[i][j] = Col[i + 1][j] + (chr[i][j] == 'I');
if (chr[i][j] == 'J')
ans += Row[i][j] * Col[i][j];
}
}
cout << ans;
}
