N = int(input())
L = [0]
A = [-1]
G = [[] for _ in range(N)]

for _ in range(N - 1):
    l,a = map(int,input().split())
    L.append(l)
    A.append(a - 1)
    G[a-1].append(_ + 1)

Q = int(input())
inf = 10 ** 10

level = [-1] * N
level[0] = 0

stack = [0]
while stack:
    now = stack.pop()
    for v in G[now]:
        level[v] = max(level[now],L[v])
        stack.append(v)
u = []
for j in level:
    if j != -1:u.append(j)
u.sort()
for _ in range(Q):
    i,t = map(int,input().split())
    x = t
    y = t
    if i == 1:
        end = len(u)
        start = 0
        while end - start > 1:
            mid = end + start >> 1
            if u[mid] <= x:
                start = mid
            else:
                end = mid
        print(end)
    else:
        print(level[y-1])