N, W, H = map(int, input().split())
S = input()

ans = [["x"]*H for _ in range(W)]
h, w = 0, 0
for s in S:
    if s == "o":
        ans[h][w] = "o"
        w += 1
    else:
        h += 1
        w = 0
ans = list(map(list, zip(*ans)))

for a in ans[::-1]:
    print("".join(a))