try:
    import mydebug

    def dprint(*objects, sep='', end='\n'):
        print(*objects)
except:
    def dprint(*objects, sep='', end='\n'): pass

n, k = [int(x) for x in input().split()]
s = input().rstrip()

stc = []
pairs = []
dprint(s)
state = ""
dprint("len(s)",len(s))
for i in range(len(s)):
    dprint("-----", i+1, s[i])
    if s[i] == "(":
        dprint("append", i+1)
        stc.append(i+1)
        state += "("
        dprint(state)
    else:
        state = state[:-1]
        dprint(state)
        dprint("pop", stc[-1])
        pairs.append((i+1, stc[-1]))
        stc.pop()

def other(t, n):
    if t[0] == n:
        return t[1]
    else:
        return t[0]

for p in pairs:
    if k in p:
        dprint(p)
        print(other(p, k))