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#include <cstdio>
#include <fstream>
using namespace std;
int n, i, nr, ma,v[1000010];
int main() {
freopen("elmaj.in","r",stdin);
ofstream g ("elmaj.out");
scanf("%d",&n);
for(i=1; i<=n; i++)
scanf("%d", &v[i]);
ma=v[1]; nr=1;
for(i=2; i<=n; i++)
if(v[i]==ma)nr++;
else {
nr--;
if(nr<0){
ma=v[i];
nr=1;
}
}
nr=1;
for(i=0; i<n; i++)
if(v[i]==ma)nr++;
if(nr>n/2)
g<<ma<<" "<<nr;
else
g<<-1;
return 0;
}