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#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin >> n;
vector<int> v(n+1);
for(int i = 1; i <= n; i++)
cin >> v[i];
int element_mojoritar = v[1];
int cnt = 0;
for(int i = 1; i <= n; i++) {
if(cnt == 0)
element_mojoritar = v[i];
if(v[i] == element_mojoritar)
cnt++;
else
cnt--;
}
cnt = 0;
for(int i = 1; i <= n; i++) {
if(v[i] == element_mojoritar)
cnt++;
}
if(cnt < n/2+1) cout << -1 ;
else cout << element_mojoritar << ' ' << cnt;
return 0;
}