#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3e3+5;
int m, n, cntO[N][N], cntI[N][N];
char c[N][N];
signed main() {
cin.tie(0)->sync_with_stdio(0);
cin >> m >> n;
for (int i = 1; i <= m; ++i)
for (int j = 1; j <= n; ++j) {
cin >> c[i][j];
if (c[i][j] == 'O') cntO[i][j] = 1;
if (c[i][j] == 'I') cntI[i][j] = 1;
}
for (int i = m; i >= 1; --i)
for (int j = n; j >= 1; --j)
cntI[i][j] += cntI[i+1][j],
cntO[i][j] += cntO[i][j+1];
ll res = 0;
for (int i = 1; i <= m; ++i)
for (int j = 1; j <= n; ++j)
if (c[i][j] == 'J')
res += (ll)cntO[i][j] * cntI[i][j];
cout << res;
return 0;
}
