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#include <bits/stdc++.h>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int a[1000001],n,maj,cnt;
int main()
{
f>>n;
for(int i=1;i<=n;i++)
f>>a[i];
for(int i=1;i<=n;i++)
{
if(cnt==0)
{
maj=a[i];
cnt=1;
}
else
if(a[i]==maj)
cnt++;
else
cnt--;
}
cnt=0;
for(int i=1;i<=n;i++)
if(a[i]==maj)
cnt++;
if(cnt>n-cnt)
g<<maj<<' '<<cnt;
else
g<<"-1";
return 0;
}