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#include<fstream>
std::ifstream fin("elmaj.in");
std::ofstream fout("elmaj.out");
int main()
{
int32_t n, k, a[1000001], nr=0, cand=-1;
fin>>n;
for(int32_t index=0; index<n; ++index)
{
fin>>a[index];
}
k=0;
for(int32_t index=0; index<n; ++index)
{
if(k==0)
{
cand=a[index];
++k;
}
else if(cand==a[index])
{
++k;
}
else{
--k;
}
}
if(cand<0)
{
fout<<"-1";
return 0;
}
for(int32_t index=0; index<n; ++index)
{
if(a[index]==cand)
{
++nr;
}
}
if(nr>n/2)
{
fout<<cand<<" "<<nr;
}
else{
fout<<"-1";
}
fin.close();
fout.close();
return 0;
}