#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
cerr<<vars<<" = ";
string delim="";
(...,(cerr<<delim<<values,delim=", "));
cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif
#define FOR(i,j,n) for(int i=j;i<n;i++)
#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);}
const int mxN=5e3+5;
int psaO[mxN][mxN],psaI[mxN][mxN];
char grid[mxN][mxN];
int main(){
cin.sync_with_stdio(0);
cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
#endif
int n,m; cin>>n>>m;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cin>>grid[i][j];
if(grid[i][j]=='O')
psaO[i][j]=1;
else if(grid[i][j]=='I')
psaI[j][i]=1;
psaO[i][j]+=psaO[i][j-1];
psaI[j][i]+=psaI[j][i-1];
}
}
ll ans=0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(grid[i][j]!='J')
continue;
ll Ocnt=psaO[i][m]-psaO[i][j];
ll Icnt=psaI[j][n]-psaI[j][i];
ans+=Ocnt*Icnt;
}
}
cout<<ans<<"\n";
}
