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