#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; }
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T>& V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> >& Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T>& mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
template<typename T>vector<T> make_v(size_t a){return vector<T>(a);}
template<typename T,typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));}
template<typename T,typename V> typename enable_if<is_class<T>::value==0>::type fill_v(T &t,const V &v){t=v;}
template<typename T,typename V> typename enable_if<is_class<T>::value!=0>::type fill_v(T &t,const V &v){for(auto &e:t) fill_v(e,v);}
/*
 <url:>
 問題文============================================================
 =================================================================
 解説=============================================================
 ================================================================
 */

template<class Type>
Type solve(Type res = Type()){
    ll H,W,K; cin >> H >> W >> K;
    vector<vector<char>> s(H,vector<char>(W));
    for(auto& vec:s) for(auto& in:vec) cin >> in;
    
    vector<vector<int>> masu(H,vector<int>(W,0));
    
    int cnt = 1;
    for(int j = 0; j < W;j++){
        for(int i = 0; i < H;i++){
            if(s[i][j] == '#'){
                for(int ii = i; ii >= 0 ;ii--){
                    if(masu[ii][j]!=0) break;
                    masu[ii][j] = cnt;
                    
                    for(int jj = j-1; jj >= 0; jj--){
                        if(masu[ii][jj] != 0) break;
                        masu[ii][jj] = cnt;
                    }
                }
                cnt++;
            }
        }
        
        
        for(int i = 1; i < H;i++){
            if(masu[i][j] == 0){
                masu[i][j] = masu[i-1][j];
            }
        }
    }
    
    for(int i = 1; i < H;i++){
        for(int j = 0; j < W;j++){
            if(masu[i][j] == 0){
                masu[i][j] = masu[i-1][j];
            }
        }
    }
    
    for(int i = 0; i < H;i++){
        for(int j = 1; j < W;j++){
            if(masu[i][j] == 0){
                masu[i][j] = masu[i][j-1];
            }
        }
    }

    
    for(int i = 0; i < H;i++){
        cout << masu[i] << endl;
    }
    return res;
}
int main(void) {
    cin.tie(0); ios_base::sync_with_stdio(false);
    solve(0);
    // cout << fixed << setprecision(15) << solve<ll>() << endl;
    return 0;
}


Measured memory_bytes: 1280