import sys, os, math, bisect, itertools, collections, heapq, queue, copy, array



# from scipy.sparse.csgraph import csgraph_from_dense, floyd_warshall

# from decimal import Decimal

# from collections import defaultdict, deque



sys.setrecursionlimit(10000000)



ii = lambda: int(sys.stdin.buffer.readline().rstrip())

il = lambda: list(map(int, sys.stdin.buffer.readline().split()))

fl = lambda: list(map(float, sys.stdin.buffer.readline().split()))

iln = lambda n: [int(sys.stdin.buffer.readline().rstrip()) for _ in range(n)]



iss = lambda: sys.stdin.buffer.readline().decode().rstrip()

sl = lambda: list(map(str, sys.stdin.buffer.readline().decode().split()))

isn = lambda n: [sys.stdin.buffer.readline().decode().rstrip() for _ in range(n)]



lcm = lambda x, y: (x * y) // math.gcd(x, y)



MOD = 10 ** 9 + 7

INF = float('inf')





def main():

    if os.getenv("LOCAL"):

        sys.stdin = open("input.txt", "r")



    N = ii()

    D, X = il()

    ret = X



    for n in range(N):

        A = ii()

        d, m = divmod(D, A)

        if m == 0:

            ret += D // A

        else:

            ret += D // A + 1

    print(ret)





if __name__ == '__main__':

    main()

import sys, os, math, bisect, itertools, collections, heapq, queue, copy, array



# from scipy.sparse.csgraph import csgraph_from_dense, floyd_warshall

# from decimal import Decimal

# from collections import defaultdict, deque



sys.setrecursionlimit(10000000)



ii = lambda: int(sys.stdin.buffer.readline().rstrip())

il = lambda: list(map(int, sys.stdin.buffer.readline().split()))

fl = lambda: list(map(float, sys.stdin.buffer.readline().split()))

iln = lambda n: [int(sys.stdin.buffer.readline().rstrip()) for _ in range(n)]



iss = lambda: sys.stdin.buffer.readline().decode().rstrip()

sl = lambda: list(map(str, sys.stdin.buffer.readline().decode().split()))

isn = lambda n: [sys.stdin.buffer.readline().decode().rstrip() for _ in range(n)]



lcm = lambda x, y: (x * y) // math.gcd(x, y)



MOD = 10 ** 9 + 7

INF = float('inf')





def main():

    if os.getenv("LOCAL"):

        sys.stdin = open("input.txt", "r")



    N = ii()

    D, X = il()

    ret = X



    for n in range(N):

        A = ii()

        ret += (D - 1) // A + 1

    print(ret)





if __name__ == '__main__':

    main()

import sys, os, math, bisect, itertools, collections, heapq, queue, copy, array

# from scipy.sparse.csgraph import csgraph_from_dense, floyd_warshall
# from decimal import Decimal
# from collections import defaultdict, deque
sys.setrecursionlimit(10000000)
ii = lambda: int(sys.stdin.buffer.readline().rstrip())
il = lambda: list(map(int, sys.stdin.buffer.readline().split()))
fl = lambda: list(map(float, sys.stdin.buffer.readline().split()))
iln = lambda n: [int(sys.stdin.buffer.readline().rstrip()) for _ in range(n)]
iss = lambda: sys.stdin.buffer.readline().decode().rstrip()
sl = lambda: list(map(str, sys.stdin.buffer.readline().decode().split()))
isn = lambda n: [sys.stdin.buffer.readline().decode().rstrip() for _ in range(n)]
lcm = lambda x, y: (x * y) // math.gcd(x, y)
MOD = 10**9 + 7
INF = float("inf")


def main():
    if os.getenv("LOCAL"):
        sys.stdin = open("input.txt", "r")
    N = ii()
    D, X = il()
    ret = X
    for n in range(N):
        A = ii()
        d, m = divmod(D, A)
        if m == 0:
            ret += D // A
        else:
            ret += D // A + 1
    print(ret)


if __name__ == "__main__":
    main()

import sys, os, math, bisect, itertools, collections, heapq, queue, copy, array

# from scipy.sparse.csgraph import csgraph_from_dense, floyd_warshall
# from decimal import Decimal
# from collections import defaultdict, deque
sys.setrecursionlimit(10000000)
ii = lambda: int(sys.stdin.buffer.readline().rstrip())
il = lambda: list(map(int, sys.stdin.buffer.readline().split()))
fl = lambda: list(map(float, sys.stdin.buffer.readline().split()))
iln = lambda n: [int(sys.stdin.buffer.readline().rstrip()) for _ in range(n)]
iss = lambda: sys.stdin.buffer.readline().decode().rstrip()
sl = lambda: list(map(str, sys.stdin.buffer.readline().decode().split()))
isn = lambda n: [sys.stdin.buffer.readline().decode().rstrip() for _ in range(n)]
lcm = lambda x, y: (x * y) // math.gcd(x, y)
MOD = 10**9 + 7
INF = float("inf")


def main():
    if os.getenv("LOCAL"):
        sys.stdin = open("input.txt", "r")
    N = ii()
    D, X = il()
    ret = X
    for n in range(N):
        A = ii()
        ret += (D - 1) // A + 1
    print(ret)


if __name__ == "__main__":
    main()

-        d, m = divmod(D, A) -        if m == 0: -            ret += D // A -        else: -            ret += D // A + 1 +        ret += (D - 1) // A + 1