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#include <bits/stdc++.h>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int n,k,cand,v[1000200];
int32_t main()
{
f>>n;
for(int i=1; i<=n; i++)
f>>v[i];
for(int i=1; i<=n; i++)
{
if(k==0)
k=1, cand=v[i];
else if(v[i]!=cand)
k--;
else if(v[i]==cand)
k++;
}
k=0;
for(int i=1; i<=n; i++)
if(v[i]==cand)
k++;
if(k>=n/2+1)
g<<cand<<' '<<k;
else
g<<-1;
return 0;
}