import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N,K = MI()
S = ' '+S()

win = [0]*(N+1)
one = 10**18
for i in range(N-1,0,-1):
    if S[i] == 'x':
        continue
    if i+K < one:
        win[i] = 1
        one = i

ANS = [i for i in range(1,K+1) if win[i]]
if ANS:
    print(*ANS,sep='\n')
else:
    print(0)