#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define endl '\n'
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for(int i=int(a);i<int(b);i++)
#define pb emplace_back
#define all(x) (x).begin(),(x).end()
int mod=1e9+7;
int mod2=998244353;
const int INF=1e9;

signed main(){
    ll h,w;
    while(1){
        cin>>w>>h;
        if(!h&&!w)break;
        vector<string> hw(h);
        rep(i,h)cin>>hw[i];

        ll px[]={0,1,0,-1};
        ll py[]={1,0,-1,0};
        ll ansb=0;
        ll answ=0;
        

        rep(i,h){
            rep(j,w){
                if(hw[i][j]=='W'||hw[i][j]=='B'){
                    char clo=hw[i][j];
                    rep(p,4){
                        bool f=true;
                        ll nx=j+px[p];
                        ll ny=i+py[p];
                        if(nx<0||nx>=w||ny<0||ny>=h||hw[ny][nx]!='.')continue;
                        queue<pair<ll,ll> > qxy;
                        qxy.push(make_pair(nx,ny));
                        hw[ny][nx]='N';
                        while(!qxy.empty()){
                            ll nnx=qxy.front().first;
                            ll nny=qxy.front().second;
                            qxy.pop();
                            rep(q,4){
                                ll tx=nnx+px[q];
                                ll ty=nny+py[q];
                                if(tx<0||tx>=w||ty<0||ty>=h)continue;
                                else if(hw[ty][tx]=='W'||hw[ty][tx]=='B'){
                                    if(hw[ty][tx]!=clo)f=false;
                                }else if(hw[ty][tx]=='.'){
                                    hw[ty][tx]='N';
                                    qxy.push(make_pair(tx,ty));
                                }
                            }
                        }
                        if(f){
                            ll tmp=1;
                            queue<pair<ll,ll> > qnp;
                            qnp.push(make_pair(nx,ny));
                            hw[ny][nx]='E';
                            while(!qnp.empty()){
                                ll nnx=qnp.front().first;
                                ll nny=qnp.front().second;
                                qnp.pop();
                                rep(p,4){
                                    ll tx=nnx+px[p];
                                    ll ty=nny+py[p];
                                    if(tx<0||tx>=w||ty<0||ty>=h||hw[ty][tx]!='N')continue;
                                    hw[ty][tx]='E';
                                    tmp++;
                                    qnp.push(make_pair(tx,ty));
                                }
                            }
                            if(clo=='W')answ+=tmp;
                            else ansb+=tmp;
                        }
                    }
                }
            }
        }
        cout<<ansb<<" "<<answ<<endl;
    }
}

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