#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin >> n;
    int a[50],sum = 0;
    for(int i = 0; i < n; i++){
        cin >> a[i];
        sum += a[i];
    }
     
    if((4*n-4)*n == sum){
        printf("0 %d\n",n);
        return 0;
    }
    if((2*n-4)*n+2*n == sum){
        printf("%d 0\n",n);
        return 0;
    }

    for(int i = 1; i < n; i++){
        if((4*n-2*i-4)*n+2*i == sum){
            cout << i << ' ' << n - i << endl;
            return 0;
        }
    }
}