import sys
input = sys.stdin.readline

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

ANS=[["x"]*W for i in range(H)]

x=H-1
y=0

for s in S:
    if s=="o":
        ANS[x][y]="o"
        x-=1
    else:
        x=H-1
        y+=1

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