#include<stdio.h>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<iostream>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<bitset>
#include<utility>
#include<functional>
#include<iomanip>
#include<sstream>
#include<ctime>
#include<cassert>
using namespace std;
#define y0 y0z
#define y1 y1z
#define yn ynz
#define j0 j0z
#define j1 j1z
#define jn jnz
#define tm tmz
#define buli(x) (__builtin_popcountll(x))
#define bur0(x) (__builtin_ctzll(x))
#define bul2(x) (63-__builtin_clzll(x))
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fil(a,b) memset((a),(b),sizeof(a))
#define cl(a) fil(a,0)
#define siz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
#define foreach(it,a) for(__typeof((a).begin()) it=(a).begin();it!=(a).end();it++)
#define rep(i,a,b) for (int i=(a),_ed=(b);i<_ed;i++)
#define per(i,a,b) for (int i=(b)-1,_ed=(a);i>=_ed;i--)
#define forg(i,gu) for (int i=gu;~i;i=e[i].next)
#define pw(x) ((ll(1))<<(x))
#define upmo(a,b) (((a)=((a)+(b))%mo)<0?(a)+=mo:(a))
#define mmo(a,b) (((a)=1ll*(a)*(b)%mo)<0?(a)+=mo:(a))
void getre(){int x=0;printf("%d\n",1/x);}
void gettle(){int res=1;while(1)res<<=1;printf("%d\n",res);}
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
template<typename T,typename S>inline bool upmin(T&a,const S&b){return a>b?a=b,1:0;}
template<typename T,typename S>inline bool upmax(T&a,const S&b){return a<b?a=b,1:0;}
template<typename N,typename PN>inline N flo(N a,PN b){return a>=0?a/b:-((-a-1)/b)-1;}
template<typename N,typename PN>inline N cei(N a,PN b){return a>0?(a-1)/b+1:-(-a/b);}
template<typename N>N gcd(N a,N b){return b?gcd(b,a%b):a;}
template<typename N>inline int sgn(N a){return a>0?1:(a<0?-1:0);}
#if ( ( _WIN32 || __WIN32__ ) && __cplusplus < 201103L)
#define lld "%I64d"
#else
#define lld "%lld"
#endif
inline void gn(long long&x){
	int sg=1;char c;while(((c=getchar())<'0'||c>'9')&&c!='-');c=='-'?(sg=-1,x=0):(x=c-'0');
	while((c=getchar())>='0'&&c<='9')x=x*10+c-'0';x*=sg;
}
inline void gn(int&x){long long t;gn(t);x=t;}
inline void gn(unsigned long long&x){long long t;gn(t);x=t;}
inline void gn(double&x){double t;scanf("%lf",&t);x=t;}
inline void gn(long double&x){double t;scanf("%lf",&t);x=t;}
inline void gs(char *s){scanf("%s",s);}
inline void gc(char &c){while((c=getchar())>126 || c<33);}
inline void pc(char c){putchar(c);}
#ifdef JCVB
#define debug(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...)
#endif
typedef long long ll;
typedef double db;
inline ll sqr(ll a){return a*a;}
inline db sqrf(db a){return a*a;}
//const int inf=0x3f3f3f3f;
const ll inf=0x3f3f3f3f3f3f3f3fll;
const db pi=3.14159265358979323846264338327950288L;
const db eps=1e-6;
const int mo=1e9+7;
//int qp(int a,ll b){int n=1;do{if(b&1)n=1ll*n*a%mo;a=1ll*a*a%mo;}while(b>>=1);return n;}

int n;
ll x[111111];
ll a,b;

ll fx[111111],fy[111111];

ll dif[111111];


typedef ll st_nu;
const int ST_MAXN=100000+10;
const int ST_UP= 20;

st_nu st[ST_UP][ST_MAXN];
int st_l2[ST_MAXN];
void st_build(const st_nu *a,int n){
	n++;								//if index from 1
	st_l2[1]=0;rep(i,2,n+1)st_l2[i]=st_l2[i-1]+(i&(i-1)?0:1);
	rep(i,0,n)st[0][i]=a[i];
	rep(k,1,ST_UP)
		for (int i=0;i+(1<<k)<=n;i++)
			st[k][i]=min(st[k-1][i],st[k-1][i+(1<<(k-1))]); //modify if max
}
st_nu stque(int l,int r){
	int k=st_l2[r-l+1];
	return min(st[k][l],st[k][r-(1<<k)+1]);				//modify if max
}

ll mindif(int l,int r){
	if(l==r)return inf;
	return stque(l+1,r);
}

int get(ll d){
	return lower_bound(x+0,x+n+2,d)-x-1;
}
int main()
{
#ifdef JCVB
	//freopen("1.in","r",stdin);
	//freopen("1.out","w",stdout);
	int _time_jc=clock();
#endif
	gn(n);
	gn(a);gn(b);
	rep(i,1,n+1)gn(x[i]);
	if(a<b)swap(a,b);
	rep(i,3,n+1){
		if(x[i]-x[i-2]<b){
			printf("0\n");
			return 0;
		}
	}
	rep(i,1,n+2)dif[i]=x[i]-x[i-1];
	st_build(dif,n+1);

	x[0]=-inf;
	x[n+1]=inf;
	fx[0]=1;fy[0]=0;

	rep(i,0,n+1){
		if(fx[i]){
			int j=get(x[i]+a);
			if(j>i){
				if(mindif(i+1,j)>=b){
					upmo(fy[j],fx[i]);
				}
			}else{
				upmo(fy[i+1],fx[i]);
				upmo(fx[i+1],fx[i]);
			}
		}
		if(fy[i]){
			int j=get(x[i]+b);
			if(j>i){
				if(mindif(i+1,j)>=b){
					upmo(fx[j],fy[i]);
				}
			}else{
				upmo(fx[i+1],fy[i]);
				upmo(fy[i+1],fy[i]);
			}
		}
	}

	printf("%d\n",fx[n+1]);
#ifdef JCVB
	debug("time: %d\n",int(clock()-_time_jc));
#endif
	return 0;
}




Measured memory_bytes: 16128