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#include <fstream>
using namespace std;
int v[1000002];
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,i,k,elem,poz;
f>>n;
f>>v[1];
elem=v[1];
poz=1;
k=1;
for(i=2;i<=n;i++)
{
f>>v[i];
if(v[i]==elem)
k+=1;
else
k-=1;
if(k<0)
{
elem=v[i];
k=1;
}
}
k=0;
for(i=1;i<=n;i++)
if(v[i]==elem)
k+=1;
if(k>=n/2+1)
g<<elem<<" "<<k;
else
g<<"-1";
return 0;
}