import sys
input = lambda : sys.stdin.readline().rstrip()
sys.setrecursionlimit(max(1000, 10**9))
write = lambda x: sys.stdout.write(x+"\n")

    
n,k = list(map(int, input().split()))
s = input()
c = k # 0の個数
dp = [0]*(n+k)
for i in range(n-1,0,-1):
    if s[i-1]=="x":
        v = 0
    else:
        if c==k:
            v = 1
        else:
            v = 0
    dp[i] = v
    if v==0:
        c += 1
    if dp[i+k]==0:
        c -= 1
index = []
for i in range(1,k+1):
        if dp[i]!=0 and s[i-1]=="o":
            index.append(i)
if index:
    write("\n".join(map(str, index)))
else:
    print(0)