#include<stdio.h>
#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<string.h>
using namespace std;

typedef long long LL;
typedef vector<int> VI;

#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i)
#define eprintf(...) fprintf(stderr, __VA_ARGS__)

template<class T> inline void amin(T &x, const T &y) { if (y<x) x=y; }
template<class T> inline void amax(T &x, const T &y) { if (x<y) x=y; }
template<class Iter> void rprintf(const char *fmt, Iter begin, Iter end) {
    for (bool sp=0; begin!=end; ++begin) { if (sp) putchar(' '); else sp = true; printf(fmt, *begin); }
    putchar('\n');
}

template<unsigned MOD> struct ModInt {
    static const unsigned static_MOD = MOD;
    unsigned x;
    void undef() { x = (unsigned)-1; }
    bool isnan() const { return x == (unsigned)-1; }
    inline int geti() const { return (int)x; }
    ModInt() { x = 0; }
    ModInt(const ModInt &y) { x = y.x; }
    ModInt(int y) { if (y<0 || (int)MOD<=y) y %= (int)MOD; if (y<0) y += MOD; x=y; }
    ModInt(unsigned y) { if (MOD<=y) x = y % MOD; else x = y; }
    ModInt(long long y) { if (y<0 || MOD<=y) y %= MOD; if (y<0) y += MOD; x=y; }
    ModInt(unsigned long long y) { if (MOD<=y) x = y % MOD; else x = y; }
    ModInt &operator+=(const ModInt y) { if ((x += y.x) >= MOD) x -= MOD; return *this; }
    ModInt &operator-=(const ModInt y) { if ((x -= y.x) & (1u<<31)) x += MOD; return *this; }
    ModInt &operator*=(const ModInt y) { x = (unsigned long long)x * y.x % MOD; return *this; }
    ModInt &operator/=(const ModInt y) { x = (unsigned long long)x * y.inv().x % MOD; return *this; }
    ModInt operator-() const { return (x ? MOD-x: 0); }

    ModInt inv() const {
	unsigned a = MOD, b = x; int u = 0, v = 1;
	while (b) {
	    int t = a / b;
	    a -= t * b; swap(a, b);
	    u -= t * v; swap(u, v);
	}
	if (u < 0) u += MOD;
	return ModInt(u);
    }
    ModInt pow(long long y) const {
	ModInt b = *this, r = 1;
	if (y < 0) { b = b.inv(); y = -y; }
	for (; y; y>>=1) {
	    if (y&1) r *= b;
	    b *= b;
	}
	return r;
    }
    friend ModInt operator+(ModInt x, const ModInt y) { return x += y; }
    friend ModInt operator-(ModInt x, const ModInt y) { return x -= y; }
    friend ModInt operator*(ModInt x, const ModInt y) { return x *= y; }
    friend ModInt operator/(ModInt x, const ModInt y) { return x *= y.inv(); }
    friend bool operator<(const ModInt x, const ModInt y) { return x.x < y.x; }
    friend bool operator==(const ModInt x, const ModInt y) { return x.x == y.x; }
    friend bool operator!=(const ModInt x, const ModInt y) { return x.x != y.x; }
};

const LL MOD = 1000000007;
typedef ModInt<MOD> Mint;
template<class T> struct Fenwick {
    int n;
    T* d;
    Fenwick() : n(0), d(NULL) {}
    Fenwick(int n_) : n(n_) {
	d = new T[n_]();
    }
    Fenwick(const Fenwick &y) : n(y.n) {
	d = new T[n];
	memcpy(d, y.d, sizeof (T) * n);
    }
    ~Fenwick() {
	delete[] d; d = NULL;
	n = 0;
    }
    friend void swap(Fenwick &x, Fenwick &y) {
	swap(x.n, y.n); swap(x.d, y.d);
    }
    Fenwick& operator=(Fenwick y) {
	swap(*this, y);
	return *this;
    }
    inline void add(int i, const T &x) {
	for (; i<n; i|=i+1) d[i] += x;
    }
    inline T sum(int r) {
	T s = T();
	for (; r; r&=r-1) s += d[r-1];
	return s;
    }
    T sum(int l, int r) {
	return sum(r) - sum(l);
    }
};

int N;
LL A, B;
LL S[100011];
int sums[100011];

void MAIN() {
    scanf("%d%lld%lld", &N, &A, &B);
    if (A > B) swap(A, B);
    REP (i, N) scanf("%lld", S+i);

    REP (i, N-2) if (S[i+2] - S[i] < A) {
	puts("0");
	return;
    }

    REP (i, N-1) sums[i+1] = sums[i] + (S[i+1] - S[i] < A? 1: 0);

    Mint ans = 0;
    int left = 0;
    int p = 0;
    Fenwick<Mint> X(N+2);
    REP (i, N) {
	while (S[i] - S[left] >= B) left++;
	if (i>=2 && S[i-1] - S[i-2] < A) p = i-1;
	int L = max(0, p-1);
	int R = min(i+1, left);
	Mint tmp = 0;
	if (L < R) {
	    tmp = X.sum(L, R);
	}
	if (p == 0) tmp += 1;
	X.add(i, tmp);
	if (N-2 <= i || sums[N-1] == sums[i+1]) {
	    ans += tmp;
	}
    }

    if (sums[N-1] == 0) ans += 1;
    printf("%d\n", ans.geti());
}

int main() {
    int TC = 1;
//    scanf("%d", &TC);
    REP (tc, TC) MAIN();
    return 0;
}



Measured memory_bytes: 1792