#include <bits/stdc++.h>
using namespace std;
int n,ans;
int a[50],s[50];
bool check(int x){
    x--;
    double sum = 0,mid = 0;
    for(int i = 1;i <= x;i++)sum += s[i];
    sum /= x; 
    if(x % 2)mid = s[x/2+1];
    else mid = double(s[x/2] + s[x/2+1]) / 2.0;
    if(sum <= mid)return 1;
    return 0;
}
void sou(int p,int x){
    if(x == n+1){
        if(p != 1 && check(p))ans++;
        return;
    }
    s[p] = a[x];
    sou(p+1,x+1);
    sou(p,x+1);
}
int main(){
    freopen("hihocoderB.in","r",stdin);
    freopen("hihocoderB.out","w",stdout);
    scanf("%d",&n);
    for(int i = 1;i <= n;i++)scanf("%d",&a[i]);
    sou(1,1);
    printf("%d\n",ans);
    
    return 0;
    
}