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#include <iostream>
#include <fstream>
using namespace std;
int main()
{
ifstream f ("elmaj.in");
ofstream g ("elmaj.out");
int maj,nep=0,x,n;
f>>n;
for (int i=1;i<=n;i++)
{ f>>x;
if (nep==0)
{
maj=x;
nep++;
}
else if (x!=maj)
nep--;
else nep++;
}
f.close();
f.open("elmaj.in");
f>>n;
int nr=0;
for (int i=1;i<=n;i++)
{
f>>x;
if (x==maj)
nr++;
}
if (nr>=n/2+1)
g<<maj<<" "<<nr;
else g<<-1;
return 0;
}