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#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int main()
{
int n,a[100001],i,j,nr=0,cnt=0,ap=0;;
fin>>n;
for(i=1;i<=n;i++)
{
fin>>a[i];
}
for(i=1;i<=n;i++)
{
if(cnt==0)
{
nr=a[i];
cnt=1;
}
else
{
if(a[i]==nr)
{
cnt++;
}
else
{
cnt--;
}
}
}
for(i=1;i<=n;i++)
{
if(a[i]==nr)
{
ap++;
}
}
if(ap>=n/2+1)
{
fout<<nr<<" "<<ap;
}
else
{
fout<<"-1";
}
return 0;
}