from itertools import groupby

N,W,H=map(int,input().split())
S=list(input())
ans=[['x']*H for i in range(W)]
idx=0
rle=[(k,len(list(v))) for k,v in groupby(S)]
for k,v in rle:
    if k=='o':
        for j in range(v):
            ans[idx][j]='o'
    else:
        idx+=1
def rot(S):
    return [list(r) for r in zip(*S)][::-1]

ans=rot(ans)
for v in ans:
    print(''.join(v))