use = [[0 for j in range(2)] for i in range(61)]

def calc(M):
    dp = [0] * 2
    nxt = [0] * 2
    dp[1] = 1
    for i in range(60, -1, -1):
        nxt[0] = 0
        nxt[1] = 0
        nxt[0] += dp[0] * use[i][0]
        nxt[0] += dp[0] * use[i][1]
        if M & (1 << i) != 0:
            nxt[0] += dp[1] * use[i][0]
            nxt[1] += dp[1] * use[i][1]
        else:
            nxt[1] += dp[1] * use[i][0]
        dp[0] = nxt[0]
        dp[1] = nxt[1]
    return dp[0] + dp[1]


N, L, R = [int(i) for i in input().split()]
A = [int(i) for i in input().split()]

v = [0, N]
for i in range(60, -1, -1):
    use[i][0] = 1
    use[i][1] = 1
    tmp = v
    for j in range(len(v) - 1):
        cnt = 0
        for k in range(v[j] + 1, v[j + 1]):
            if ((A[k - 1] & (1 << i)) == 0) != ((A[k] & (1 << i)) == 0):
                cnt += 1
                tmp.append(k)
        if cnt >= 2:
            use[i][0] = 0
            use[i][1] = 0
        elif cnt == 1:
            use[i][((A[v[j]] & (1 << i)) == 0)] = 0
    tmp.sort()
    v = tmp

ans = calc(R)
if L != 0:
    ans -= calc(L - 1)
print(ans)