#include <bits/stdc++.h>
#include <numeric>
#define Body ios_base::sync_with_stdio(false);cin.tie(NULL);
#define files freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout);
#define clo cout << "Time execute: " << clock()/ (double)CLOCKS_PER_SEC << " sec" << endl;
#define all(ele) ele.begin(), ele.end()
#define fo(i , n) for (long long int i =0 ; i < n ; i++)
#define ll long long int
#define ull unsigned long long
#define MX INT_MAX
#define MN INT_MIN
#define LMX LONG_LONG_MAX
#define LMN LONG_LONG_MIN
#define i128 __int128
#define yes cout << "YES";
#define no cout << "NO";
#define X first
#define Y second
#define pii pair<int,int>
#define pll pair<ll,ll>
using namespace std;
const int N = 1e5+7, mod = 1e9+7 ;
int k ;
struct trie {
trie *ls[2];
int cnt;
int front;
trie() {
memset(ls, 0, sizeof(ls));
cnt = 0;
front = MX ;
}
void insert(ll x , int index) {
trie *root = this;
for (int j = 30; ~j; j--) {
int bit = (x >> j) & 1;
if (root->ls[bit] == nullptr) root->ls[bit] = new trie();
root = root->ls[bit];
root->cnt++;
root->front = min(root->front , index);
}
}
ll XOR(ll x) {
trie *root = this;
return calc(30 , x , 0 , root);
}
int calc(int j , int x , int cas , trie* root){
if (root == nullptr){
return N ;
}
if (cas){
return root->front;
}
if (j == -1) return root->front;
int res = N ;
int bit = (x >> j)&1 , bitk = (k >> j)&1 ;
if (cas == 0){ // care
if ((bit^bitk) == 0){
if (bit)
res = calc(j-1 , x , 0 , root->ls[0]);
else
res = min(calc(j-1 , x , 0 , root->ls[0]) , calc(j-1 , x , 1 , root->ls[1]));
}else if (bit){
res = min(calc(j-1 , x , 1 , root->ls[0]) , calc(j-1 , x , 0 , root->ls[bit]));
}else{ // bitk == 1
res = calc(j-1 , x , 0 , root->ls[1]);
}
}else{ // not care
res = min(calc(j-1 , x , cas , root->ls[0]) , calc(j-1 , x , cas , root->ls[1]));
}
return res ;
}
};
void burn() {
int n ;
cin >> n >> k ;
int arr[n+1]{};
fo(i , n){
cin >> arr[i+1];
arr[i+1] ^= arr[i];
}
trie trie;
int idx = 0 , ln = 0 ;
fo(i , n+1){
trie.insert(arr[i] , i);
if (i){
int st = trie.XOR(arr[i]);
if (i-st >= ln) idx = st+1 , ln = i-st ;
// cout << trie.XOR(arr[i]) << ' ';
}
}
cout << idx << ' ' << ln ;
}
int main() {
Body
freopen("c.in", "r", stdin);
freopen("c.out", "w", stdout);
int cas = 1 ;
// cin >> cas ;
while (cas--) {
burn();
cout << endl;
}
return 0;
}
