#include <cstdio>

const int N=100005,mo=1000000007;
int f0[N],f1[N];
long long a[N],A,B;

int main(){
	int n,l0=0,l1=0,r0=0,r1=0,s0=0,s1=0;
	scanf("%d%lld%lld\n%lld",&n,&A,&B,&a[1]);
	a[0]=-1e18;f0[0]=f1[0]=1;
	for (int i=1;i<n;i++){
		scanf("%lld",&a[i+1]);
		for (;l0<i && a[i+1]-a[l0]>=B;l0++) (s0+=f0[l0])%=mo;
		for (;l1<i && a[i+1]-a[l1]>=A;l1++) (s1+=f1[l1])%=mo;
		f0[i]=s1;f1[i]=s0;
		if (a[i+1]-a[i]<A) for (;r0<i;f0[r0++]=0) if (r0<l0) (s0-=f0[r0])%=mo;
		if (a[i+1]-a[i]<B) for (;r1<i;f1[r1++]=0) if (r1<l1) (s1-=f1[r1])%=mo;
	}
	int ans=0;
	for (int i=r0;i<n;i++) (ans+=f0[i])%=mo;
	for (int i=r1;i<n;i++) (ans+=f1[i])%=mo;
	printf("%d\n",(ans+mo)%mo);
}