#include <bits/stdc++.h>
using namespace std;
#define GG ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int main () { GG;
int n,mx=0; cin>>n;
map<int,int>m; pair<int,int>p;
for(int i=0;i<n;i++)
{cin>>p.first;
m[p.first]++;
}
for(auto i:m)
if(i.second>mx)
mx=i.second;
cout<<mx<<"\n";
return 0;}
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