#include<bits/stdc++.h>
using namespace std;
#define ULL unsigned long long
int const N=1e5+10;
int n,a[N],s1,s2,p1,m;
ULL lo,hu;
int main()
{
//	freopen("fight.in","r",stdin);
//	freopen("fight.out","w",stdout);
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
	{
		scanf("%d",&a[i]);
	}
	scanf("%d%d%d%d",&m,&p1,&s1,&s2);
	a[p1]+=s1;
	for(int i=1;i<m;i++)
	{
		lo=lo+(m-i)*a[i];
	}
	for(int i=m+1;i<=n;i++)
	{
		hu=hu+(i-m)*a[i];
	}
	int t=m;
	ULL minn;
	if(hu-lo>0)minn=hu-lo;
	else minn=lo-hu;
	if(lo<hu)
	{
		for(int i=1;i<m;i++)
		{
			int k=abs(hu-(lo+s2*(m-i)));
			if(k<minn)
			{
				t=i;
				minn=k;
			}
		}
	}else if(lo>hu)
	{
		for(int i=m+1;i<=n;i++)
		{
			int k=abs(lo-(hu+s2*(i-m)));
			if(k<minn)
			{
				t=i;
				minn=k;
			}
		}
	}
	printf("%d",t);
//	fclose(stdin);
//	fclose(stdout);
	return 0;
}