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