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#include<iostream>
#include<fstream>
using namespace std;
int v[1000001];
int main()
{
int n,i,x,k=0,elem,nr;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
f>>n;
f>>x;
elem=x;
v[1]=x;
k=1;
for (i=2; i<=n; i++)
{
f>>x;
v[i]=x;
if (k==0) elem=x;
if (x==elem) k++;
else k--;
}
if (k>0)
{
nr=0;
for (i=1; i<=n; i++)
if (v[i]==elem) nr++;
if (nr>=(n/2+1))
g<<elem<<" "<<nr;
else g<<"-1";
}
return 0;
}