#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
const int N=3e3;
vector<int>v[N];
int lvl[N];
int col[N];
int cnt[N][N];
int par[N];
vector<pair<int,int>>vc[N];
pair<int,int>ans;
map<int,int>mp[N][N];
map<int,int>pm[N][N];
void df(int a ){
cnt[lvl[a]][col[a]]++;
for(auto b:v[a]){
lvl[b]=lvl[a]+1;
df(b);
}
}
int n,k;
void dfs(int a ){
int h=0;
vc[a].pb({lvl[a],col[a]});
int c=col[a];
for(auto b:v[a]){
dfs(b);
if(vc[b].size()>vc[a].size()){
swap(vc[b],vc[a]);
swap(mp[b][c],mp[a][c]);
swap(pm[b][c],pm[a][c]);
}
for(auto it=mp[b][c].begin();it!=mp[b][c].end();it++){
mp[a][c][it->ff]+=it->ss;
}
for(auto it=pm[b][c].begin();it!=pm[b][c].end();it++){
pm[a][c][it->ff]+=it->ss;
}
for(auto p:vc[b]){
vc[a].pb(p);
h=max(h,p.ff);
}
}
mp[a][c][lvl[a]]++;
for(int i=0;i<k;i++){
if(i!=c)pm[a][i][lvl[a]]++;
}
pair<int,int>t={1,0};
for(int i=lvl[a]+1; i<=h;i++){
t.ff+=mp[a][c][i];
t.ff+= min(pm[a][c][i],(cnt[i][c]-mp[a][c][i]));
t.ss -= min(pm[a][c][i],(cnt[i][c]-mp[a][c][i]));
}
ans=max(ans,t);
}
signed main(){
cin>>n>>k;
int mx=0;
for(int i=0;i<n;i++){
cin>>col[i];
}
for(int i=1;i<n;i++){
cin>>par[i];
v[par[i]].pb(i);
}
df(0);
dfs(0);
cout<<ans.ff<<" "<<-ans.ss<<endl;
}
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