#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = 1e6 + 5, mod = 1e9 + 7;
int dx[] = {0, 0, -1, 1, -1, -1, 1, 1};
int dy[] = {1, -1, 0, 0, -1, 1, -1, 1};
int n, k;
class Binary_Trie {
struct Node {
Node *bit[2];
int freq[2], idx;
Node() {
memset(bit, 0, sizeof bit);
memset(freq, 0, sizeof freq);
idx = -1;
}
};
public:
Node *root = new Node();
Binary_Trie() {
// insert(0, 1);
}
void insert(int x, int j) {
Node *cur = root;
for (int i = 30; ~i; i--) {
int on = (((1 << i) & x) > 0);
if (cur->bit[on] == 0) {
cur->bit[on] = new Node();
}
cur = cur->bit[on];
if (cur->idx == -1)
cur->idx = j;
cur->freq[on]++;
}
}
int query(int x, int j) {
int ret = 1e9;
Node *cur = root;
for (int i = 30; ~i; i--) {
int on = (((1 << i) & x) > 0);
int onk = (((1 << i) & k) > 0);
if (onk) {
if (cur->bit[on ^ 1] == 0)
return ret;
cur = cur->bit[on ^ 1];
} else {
if (cur->bit[on ^ 1] != 0)
ret = min(ret, cur->idx);
if (cur->bit[on] == 0)
return ret;
cur = cur->bit[on];
}
}
return min(ret, cur->idx);
}
};
void solve() {
cin >> n >> k;
int a[n + 1];
Binary_Trie tr;
int mx = 0, st = 0;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (a[i] >= k && mx == 0)
st = i - 1, mx = 1;
if (i > 1)
a[i] ^= a[i - 1];
int ans = tr.query(a[i], i);
if (a[i] >= k)
st = 0, mx = i;
else if (ans != 1e9 && (!mx || (i - ans) > mx))
mx = i - ans, st = ans;
tr.insert(a[i], i);
}
cout << st + 1 << " " << mx;
}
int32_t main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}
