#include<bits/stdc++.h>
using namespace std;
const int N=1e5+10;
struct node
{
int son[2];
int f;
int val;
int siz;
int sum;
bool rev;
}tr[N];
bool nroot(int x)
{
return tr[tr[x].f].son[0]==x||tr[tr[x].f].son[1]==x;
}
void pushrev(int x)
{
tr[x].rev^=1;
swap(tr[x].son[0],tr[x].son[1]);
}
void pushup(int x)
{
tr[x].siz=tr[tr[x].son[0]].siz+tr[tr[x].son[1]].siz+1;
tr[x].sum=tr[tr[x].son[0]].sum^tr[tr[x].son[1]].sum^tr[x].val;
}
void pushdown(int x)
{
if(!tr[x].rev) return;
if(tr[x].son[0]) pushrev(tr[x].son[0]);
if(tr[x].son[1]) pushrev(tr[x].son[1]);
tr[x].rev=0;
}
void rotate(int x)
{
int f=tr[x].f,g=tr[f].f;
int w=tr[f].son[1]==x;
if(nroot(f)) tr[g].son[tr[g].son[1]==f]=x;
tr[x].f=g;
tr[f].son[w]=tr[x].son[w^1];
tr[f].f=x;
tr[tr[x].son[w^1]].f=f;
tr[x].son[w^1]=f;
pushup(f),pushup(x);
}
int stk[N];
void splay(int x)
{
int top=0;
int r=x;
stk[++top]=r;
while(nroot(r)) stk[++top]=r=tr[r].f;
while(top) pushdown(stk[top--]);
while(nroot(x))
{
int y=tr[x].f,z=tr[y].f;
if(nroot(y))
{
if((tr[z].son[1]==y)^(tr[y].son[1]==x)) rotate(x);
else rotate(y);
rotate(x);
}
}
}
void access(int x)
{
int z=x;
for(int y=0;x;y=x,x=tr[x].f)
{
splay(x);
tr[x].son[1]=y;
pushup(x);
}
splay(z);
}
void makeroot(int x)
{
access(x);
pushrev(x);
}
int findroot(int x)
{
access(x);
while(tr[x].son[0]) pushdown(x),x=tr[x].son[0];
splay(x);
return x;
}
void split(int x,int y)
{
makeroot(x);
access(y);
//splay(y);
}
void link(int x,int y)
{
makeroot(x);
if(findroot(y)!=x) tr[x].f=y;
}
void cut(int x,int y)
{
makeroot(x);
if(findroot(y)==x&&tr[y].f==x&&!tr[y].son[0])
{
tr[x].son[1]=tr[y].f=0;
pushup(x);
}
}
int n,m;
int main() {
cin>>n>>m;
for(int i=1;i<=n;i++) cin>>tr[i].val;
while(m--)
{
int p,x,y;
cin>>p>>x>>y;
if(p==0)
{
split(x,y);
cout<<tr[y].sum<<endl;
}
if(p==1)
{
link(x,y);
}
if(p==2)
{
cut(x,y);
}
if(p==3)
{
splay(x);
tr[x].val=y;
pushup(x);
}
}
}