h, w = map(int,input().split(' '))
s = [list(input()) for i in range(h)]

found = False
for i in range(h):
    for j in range(w):
        if not found and s[i][j] == '*':
            for k in range(j+1,w):
                if s[i][k] == '*':
                    if i == 0:
                        s[i+1][j] = '*'
                    else:
                        s[i-1][j] = '*'
                    found = True
            if not found:
                if j == 0:
                    s[i][j+1] = '*'
                else:
                    s[i][j-1] = '*'
            found = True
for i in range(h):
    print("".join(s[i]))