#include <fstream>
using namespace std;
class InputReader {
    public:
        InputReader() {}
        InputReader(const char *file_name) {
            input_file = fopen(file_name, "r");
            cursor = 0;
            fread(buffer, SIZE, 1, input_file);
        }
        inline InputReader &operator >>(int &n) {
            while(buffer[cursor] < '0' || buffer[cursor] > '9') {
                advance();
            }
            n = 0;
            while('0' <= buffer[cursor] && buffer[cursor] <= '9') {
                n = n * 10 + buffer[cursor] - '0';
                advance();
            }
            return *this;
        }
    private:
        FILE *input_file;
        static const int SIZE = 1 << 17;
        int cursor;
        char buffer[SIZE];
        inline void advance() {
            ++ cursor;
            if(cursor == SIZE) {
                cursor = 0;
                fread(buffer, SIZE, 1, input_file);
            }
        }
}f("elmaj.in");
ofstream g("elmaj.out");
int n,i,x,q,v[1<<20];
int main()
{
    f>>n;
    for(i=1;i<=n;++i)
    {
        f>>v[i];
        if(!x) q=v[i],++x;
        else if(v[i]==q) ++x;
        else --x;
    }
    x=0;
    for(i=1;i<=n;++i)
        x+=(v[i]==q);
    if(x>n/2) g<<q<<' '<<x;
    else g<<-1;
    return 0;
}