#include<bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, k;
cin >> n >> k;
bool w = 1;
int c[n], b[n], cnt[k + 1] {};
for(int i = 0; i < n; i++) {
cin >> c[i];
}
for(int i = 1; i < n; i++) {
cin >> b[i];
if(b[i] != i - 1) w = 0;
}
if(w) {
int mx = 0;
for(int i = n - 1; i >= 0; i--) {
cnt[c[i]]++;
mx = max(mx, cnt[c[i]]);
}
cout << mx << ' ' << 0 << '\n';
}
return 0;
}
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