import math

n, k = map(int, input().split())
a = list(map(int, input().split()))

# Check if K is already present in the array
if k in a:
    print("Yes")
    exit()

# Check if all elements are the same
all_same = True
for num in a[1:]:
    if num != a[0]:
        all_same = False
        break
if all_same:
    print("Yes" if k == 0 else "No")
    exit()

# Calculate the GCD of differences
g = 0
for num in a[1:]:
    d = abs(num - a[0])
    g = math.gcd(g, d)

# Check if K is a multiple of the GCD
if g != 0 and k % g == 0:
    print("Yes")
else:
    print("No")