N,Q = map(int,input().split())
C = list(map(int,input().split()))
def f(n):
    return int(n) - 1
ab = [list(map(f,input().split())) for _ in range(N-1)]
txy = [list(map(int,input().split())) for _ in range(Q)]
e = [[] for _ in range(N)]
for i in range(N-1):
    a,b = ab[i]
    e[a].append(b)
    e[b].append(a)
sum = [0 for _ in range(N)]
d = [[0,0] for _ in range(N)]
import sys
sys.setrecursionlimit(10**6)

l = [0 for _ in range(N)]
def euler(n,k):
    d[n][0] = k
    l[n] = 1
    now = k
    for i in e[n]:
        if l[i] == 1:
            continue
        qqq = euler(i,now+1)
        now = qqq
    d[n][1] = now + 1
    return (now + 1)
euler(0,0)

import math
def calcsum():
    l = [0 for _ in range(N)]
    def dfs(n):
        l[n] = 1
        sum[n] = C[n]
        for i in e[n]:
            if l[i]:
                continue
            s = dfs(i)
            sum[n] ^= s
        return sum[n]
    dfs(0)

calcsum()

q = math.floor(math.sqrt(Q))
nowq = 0
while True:
    calcsum()
    p = True
    for i in range(q):
        nq = q * nowq + i
        if nq >= Q:
            p = False
            break
        t,x,y = txy[nq]
        if t == 1:
            continue
        x -= 1
        s = sum[x]
        for j in range(i):
            nnq = q * nowq + j
            nt,nx,ny = txy[nnq]
            if nt == 2:
                continue
            nx -= 1
            if d[x][0] <= d[nx][0] <= d[x][1]:
                s ^= ny
        print(s)
    if not p:
        break
    for i in range(q):
        nq = q * nowq + i
        t,x,y = txy[nq]
        if t == 2:
            continue
        x -= 1
        C[x] ^= y
    nowq += 1