#include<cstdio>
#include<string>

using namespace std;

#ifdef HOME
const string inputFile = "input.txt";
const string outputFile = "output.txt";
#else
const string problemName = "elmaj";
const string inputFile = problemName + ".in";
const string outputFile = problemName + ".out";
#endif

const int NMAX = 1000000 + 5;

int N, last, cnt;
int A[NMAX];

int main() {
    int i, x;

    freopen(inputFile.c_str(), "r", stdin);
    freopen(outputFile.c_str(), "w", stdout);

    scanf("%d", &N);

    for(i = 1; i <= N; i++) {
        scanf("%d", &A[i]);
        if(A[i] == last)
            cnt++;
        else
            cnt--;
        if(cnt < 0) {
            cnt = 1;
            last = A[i];
        }
    }

    cnt = 0;

    for(i = 1; i <= N; i++)
        if(A[i] == last)
            cnt++;

    if(cnt >= (N / 2 + 1))
        printf("%d %d\n", last, cnt);
    else
        printf("-1\n");

    return 0;
}