#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
typedef long long ll;
typedef double du;
using namespace std;
const ll N = 5e5 + 5, M = 1e7 + 10, mod = 1e9 + 7, mod1 = 1e9 + 11, LOG = 20;
ll k, ans = 1e17;
/// Trie
struct Node {
ll ch[2]{}, mn = 1e17, sz{};
ll &operator[](ll x) {
return ch[x];
}
};
struct BT {
vector<Node> trie;
int newNode() {
return trie.emplace_back(), trie.size() - 1;
}
BT() { newNode(); }
void insert(ll x, ll idx, ll op) {
ll u = 0;
for (int i = 30; ~i; --i) {
trie[u].mn = min(trie[u].mn, idx);
ll v = x >> i & 1;
if (!trie[u][v])
trie[u][v] = newNode();
u = trie[u][v];
trie[u].sz += op;
}
trie[u].mn = min(trie[u].mn, idx);
}
ll query(ll x) {
ll u = 0, res{};
for (int i = 30; ~i; --i) {
ll b = x >> i & 1, best = trie[u][!b];
if (trie[best].sz) {
ll tmp = res | (1 << i);
if(tmp >= k) {
ans = min(ans, trie[best].mn);
u = trie[u][b];
}else
res = tmp, u = best;
} else
u = trie[u][b];
}
return res;
}
} bt;
void solve(){
ll n, curr{}, y; cin >> n >> k;
ll idx{}, mx_len{};
bt.insert(0, 0, 1);
for (int i = 1; i <= n; ++i) {
cin >> y;
curr ^= y;
ans = 1e17;
bt.query(curr);
ll len = i - ans;
if(len > mx_len)
mx_len = len, idx = ans + 1;
else if(len == mx_len)
idx = min(idx, 1ll * i);
bt.insert(curr, i, 1);
}
cout << idx << ' ' << mx_len;
}
int main() {
fast
ll t = 1;
// cin >> t;
while (t--) {
solve();
cout << '\n';
}
}
