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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int main()
{
int v[100],i,n,k,x;
f>>n;
for(i=0;i<n;i++)
f>>v[i];
x=v[0];
k=1;
for(i=0;i<n;i++)
if(v[i]==x)
k++;
else
{
k--;
if(k<0)
{
x=v[i];
k=1;
}
}
k=0;
for(i=0;i<n;i++)
if(v[i]==x)
k++;
if(k>=((n/2)+1))
g<<x<<" "<<k;
else
g<<"-1";
return 0;
}