N,W,H = map(int,input().split())
S = input()
X = [[False for j in range(W)] for i in range(H)]
w = 0
h = 1
for i in range(N):
  if S[i] == "o":
    X[-h][w] = True
    h += 1
  else:
    w += 1
    h = 1
for i in range(H):
  for j in range(W):
    if X[i][j]:
      print("o",end = "")
    else:
      print("x",end = "")
  print()