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#include <bits/stdc++.h>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,nr,x,i,v[1000010];
int main()
{
f>>n;
for(i=1;i<=n;i++)f>>v[i];
x=v[1];nr=1;
for(i=2;i<=n;i++)
{
if(x==v[i])nr++;
else nr--;
if(nr<0)x=v[i],nr=1;
}
nr=0;
for(i=1;i<=n;i++)if(v[i]==x)nr++;
if(nr>=n/2+1)g<<x<<" "<<nr;
else g<<-1;
return 0;
}