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#include <cstdio>
using namespace std;
int n;
int vec[1000005];
void citire()
{
scanf("%d", &n);
int nr = 0;
int vot;
for(int i = 0; i < n; i++)
{
int x;
scanf("%d", &vec[i]);
x = vec[i];
if(nr == 0)
{
nr++;
vot = x;
}
else if(vot == x)
{
nr++;
}
else
{
nr--;
}
}
nr = 0;
for(int i = 0; i < n; i++)
{
if(vec[i] == vot)
{
nr++;
}
}
if(nr >= (n / 2 + 1))
{
printf("%d %d", vot, nr);
}
else
{
printf("-1");
}
}
int main()
{
freopen("elmaj.in", "r", stdin);
freopen("elmaj.out", "w", stdout);
citire();
return 0;
}