#include <bits/stdc++.h>
using namespace std;
#define int long long
#define debug(x) cout << #x << " " << (x) << endl;
#define all(x) x.begin(), x.end()
void pp(pair<int, int>&a) { cout << "{" << a.first << ", " << a.second << endl; }
void g(vector<int>&a) { cout << "{"; for (auto el : a) cout << el << ", "; cout << "}" << endl; }
void g(vector<pair<int, int>>&a) { cout << "{"; for (auto el : a) pp(el); cout << "}" << endl; }
// #define DBG
void solve() {
int n,q;cin>>n>>q;
vector<int> a(n);
for (int i = 0; i < n; i++) cin >> a[i];
while (q--) {
int t,x,y;cin>>t>>x>>y;
if (t==1) {
// upd
a[x-1] = y;
} else {
if ((y-x+1) % 2 == 0) cout << 0 << endl;
else {
int xo = 0;
for (int i = x-1; i <= y-1; i += 2) xo ^= a[i];
cout << xo << endl;
}
}
}
// g(a);
}
int32_t main() {
ios_base::sync_with_stdio(0);cin.tie(NULL);
int t=1;
#ifdef DBG
freopen("inp1.txt", "r", stdin);
freopen("out.txt", "w", stdout);
cin>>t;
#endif
while (t--) {
solve();
cout << endl;
}
return 0;
}
