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#include <iostream>
#include <fstream>
using namespace std;
int v[1000005],n,i,r[2000005];
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
for(i=0;i<=2000000;i++)
{
r[i]=0;
}
f>>n;
for(i=1;i<=n;i++)
f>>v[i];
for(i=1;i<=n;i++)
{
r[v[i]]++;
}
for(i=0;i<=2000000;i++)
{
if(r[i]>=n/2+1)
{
g<<i<<" "<<r[i]<<endl;
return 0;
}
}
g<<-1;
return 0;
}