#include <iostream>
#include <fstream>
#include <map>
using namespace std;
int main()
{
    int i;
    ifstream in("pooh.in");
    in >> i;
    map<int,int> h;
    
    while (in >> i) {
        h[i]+=i;
    }
    in.close();
    map<int,int>::iterator t;  
    int a = 0;
    int r=0; 
  	for( t = h.begin(); t != h.end(); t++ ) {
  		if(t->second>a){
  			r=t->first;
  			a=t->second;
  		}
  		if(t->second==a && t->first)
  			r=t->first;
  	}
  	ofstream out("pooh.out");
  	out<< r;
  	out.close();
    return 0;
}
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