#include <bits/stdc++.h>
using namespace std;
const int maxn = 3005;
int n, m;
char table[maxn][maxn];
int preffix1[maxn][maxn];
int preffix2[maxn][maxn];
void fastIO()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int main()
{
fastIO();
cin >> n >> m;
for (int i = 1; i <= n; ++i)
{
for (int j = 1; j <= m; ++j)
{
cin >> table[i][j];
}
}
for (int i = 1; i <= n; ++i)
{
for (int j = 1; j <= m; ++j)
{
preffix1[i][j] = preffix1[i][j - 1] + (table[i][j] == 'O');
}
}
for (int j = 1; j <= m; ++j)
{
for (int i = 1; i <= n; ++i)
{
preffix2[i][j] = preffix2[i - 1][j] + (table[i][j] == 'I');
}
}
long long ans = 0;
for (int i = 1; i <= n; ++i)
{
for (int j = 1; j <= m; ++j)
{
if (table[i][j] == 'J')
{
ans += (preffix1[i][m] - preffix1[i][j]) * (preffix2[n][j] - preffix2[i][j]);
}
}
}
cout << ans << endl;
return 0;
}
