// بسم الله الرحمن الرحيم
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define el "\n"
#define sp " "
const int oo = 2e18, Mod = 1e9 + 7;
const int N = 1e5;
struct BinaryTrie
{
struct node
{
node *ch[2];
int cnt;
int mnIdx;
node()
{
ch[0] = ch[1] = 0;
cnt = 0;
mnIdx = 1e9;
}
};
BinaryTrie()
{
// insert(0, 0);
}
node *root = new node();
void insert(int n, int i)
{
node *curr = root;
for (int bit = 30; bit >= 0; bit--)
{
bool idx = (1 << bit) & n;
if (curr->ch[idx] == 0)
{
curr->ch[idx] = new node();
}
curr = curr->ch[idx];
curr->mnIdx = min(curr->mnIdx, i);
curr->cnt++;
}
}
int query(int n, int k)
{
int ans = 1e9;
node *curr = root;
for (int bit = 30; bit >= 0; bit--)
{
if (curr == 0)
break;
bool bn = (1 << bit) & n;
bool bk = (1 << bit) & k;
if (bk)
{
if (curr->ch[bn ^ 1] != 0)
ans = min(ans, curr->ch[bn ^ 1]->mnIdx);
curr = curr->ch[bn ^ 1];
}
else
{
if (curr->ch[bn ^ 1] != 0)
{
ans = min(ans, curr->ch[bn ^ 1]->mnIdx);
curr = curr->ch[bn ^ 1];
}
else
{
curr = curr->ch[bn];
}
}
}
if (curr)
ans = min(ans, curr->mnIdx);
return ans;
}
};
void Art()
{
int n, x;
cin >> n >> x;
vector<int> v(n + 1);
for (int i = 1; i <= n; ++i)
{
cin >> v[i];
v[i] ^= v[i - 1];
}
BinaryTrie trie;
int L = 1, K = 0;
for (int i = 1; i <= n; i++)
{
int j = trie.query(v[i], x);
if (j != 1e9)
{
if (i - j > K)
{
K = i - j;
L = j + 1;
}
}
trie.insert(v[i], i);
}
cout << L << sp << K << el;
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(NULL);
int tc = 1;
// cin >> tc;
while (tc--)
{
Art();
}
return 0;
}
