#include using namespace std; int main() { // 1. 入力情報取得. int H, W; cin >> H >> W; // 2. 冬の大三角を構成. // 2-1. 星の位置を取得. string ans[H]; int r1 = -1, r2 = -1, c1 = -1, c2 = -1; for(int i = 0; i < H; i++){ string s; cin >> s; ans[i] = s; int f = s.find("*"); int e = s.rfind("*", W - 1); if(f != e) r1 = i, c1 = f, r2 = i, c2 = e; if(f == e){ if(r1 == -1 && f != -1){ r1 = i, c1 = f; continue; } if(r2 == -1 && e != -1){ r2 = i, c2 = e; continue; } } } // 2-2. 三つ目の星の位置を設定. // cout << r1 << " " << c1 << " " << r2 << " " << c2 << endl; int r3 = -1, c3 = -1; if(r1 == 0 && r2 == 0) r3 = 1, c3 = c1; if(r1 == 0 && r2 > 0 && c1 == c2) r3 = 0, c3 = W - 1 - c1; if(r1 == 0 && r2 > 0 && c1 != c2) r3 = 0, c3 = c2; if(r1 > 0 && r2 == 0 && c1 == c2) r3 = 0, c3 = W - 1 - c1; if(r1 > 0 && r2 == 0 && c1 != c2) r3 = 0, c3 = c1; if(r1 > 0 && r2 > 0 && c1 != c2) r3 = 0, c3 = c1; if(r1 > 0 && r2 > 0 && c1 == c2) r3 = 0, c3 = W - 1 - c1; // cout << r3 << " " << c3 << endl; ans[r3][c3] = '*'; // 3. 後処理. for(int i = 0; i < H; i++) cout << ans[i] << endl; return 0; }