#include <bits/stdc++.h>
using namespace std;
void gojo() {
int n, x;
cin >> n >> x;
vector<int> pre(n + 1);
for (int i = 1, x; i <= n; i++) {
cin >> x;
pre[i] = pre[i - 1] ^ x;
}
int l = 1, r = n, st = -1, k = 0;
while (l <= r) {
int md = (l + r) / 2, j = -1;
for (int i = 0; i <= n - md; i++) {
if ((pre[i] ^ pre[i + md]) >= x) {
j = i;
break;
}
}
if (~j) {
st = j, k = md;
l = md + 1;
} else {
r = md - 1;
}
}
cout << st + 1 << ' ' << k;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
while (t--) {
gojo();
cout << '\n';
}
return 0;
}
