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

ans = [["x" for _ in range(W)] for __ in range(H)]
y, x = H - 1, 0
for c in S:
    if c == "o":
        ans[y][x] = "o"
        y -= 1
    else:
        y = H - 1
        x += 1

for a in ans:
    print("".join(a))