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#include<fstream>
using namespace std;
int n, x, v[1000010], nr, i, nr1;
int main()
{
ifstream f("elmaj.in");
ofstream g("elmaj.out");
f>>n;
for(i=1;i<=n;i++)
{
f>>v[i];
}
x=v[1];
for(i=1;i<=n;i++)
{
if(v[i]==x)
{
nr++;
}
else nr--;
if(nr<0)
{
x=v[i];
nr++;
}
}
for(i=1;i<=n;i++)
if(v[i]==x)
nr1++;
if(nr1>=(n/2+1)) g<<x<<" "<<nr1;
else g<<-1;
return 0;
}