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#include <bits/stdc++.h>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
#define NMAX 1000001
int v[NMAX],n;
int main()
{
int maj,nrAp=1;
f>>n;
f>>v[1];
maj = v[1];
for(int i=2;i<=n;i++)
{
f>>v[i];
if(maj != v[i])
{
nrAp--;
if(nrAp <= 0)
{
maj=v[i];
nrAp =1;
}
}
else
{
nrAp++;
}
}
nrAp = 0;
for(int i=1;i<=n;i++)
{
if(v[i]==maj)
nrAp++;
}
if(nrAp > n/2)
g<<maj<<" "<<nrAp<<"\n";
else
g<<"-1\n";
return 0;
}