///TRAN THAI BAO :3
#include <iostream>
#include <cstdio>
using namespace std;
#define maxN 3007
string s[maxN];
int cntO[maxN] = {0}; //ngang
int cntI[maxN] = {0}; //doc
int n, m;
void readData()
{
cin >> n >> m;
for(int i = 1; i <= n; i++)
{
cin >> s[i];
s[i] = ' ' + s[i];
}
}
void solve()
{
long long ans = 0;
for(int i = n; i >= 1; i--)
for(int j = m; j >= 1; j--)
if(s[i][j] == 'J')
ans = ans + cntO[i]*cntI[j];
else if(s[i][j] == 'I')
cntI[j]++;
else cntO[i]++;
cout << ans;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
readData();
solve();
return 0;
}
