#include <stdio.h>
#include <ctype.h>

using namespace std;

FILE *fin = fopen("elmaj.in", "r"), *fout = fopen("elmaj.out", "w");

#define MAXN 1000000

#define BUF 1 << 17
int pos = BUF;
char buf[BUF];

inline char next()  {
    if(pos == BUF)
        fread(buf, 1, BUF, fin), pos = 0;
    return buf[pos++];
}

inline int read()  {
    int x = 0;
    char ch = next();
    while(!isdigit(ch))
        ch = next();
    while(isdigit(ch))
        x = x * 10 + ch - '0', ch = next();
    return x;
}

int v[MAXN + 1];

int main()  {
    int n;
    n = read();
    for(int i = 1;i <= n;i++)
        v[i] = read();
    int elm = v[1];
    int nr = 1;
    for(int i = 2;i <= n;i++)  {
        if(elm == v[i])
            nr++;
        else  {
            nr--;
            if(nr <= 0)
                elm = v[i], nr = 1;
        }
    }
    int ap = 0;
    for(int i = 1;i <= n;i++)
        ap += (v[i] == elm);
    if(ap > n / 2)
        fprintf(fout, "%d %d\n", elm, ap);
    else
        fprintf(fout, "-1\n");
    fclose(fin);
    fclose(fout);
    return 0;
}