A, B = input().split()

if A[-4:] != "0000":
    exit(print("No"))

a, _ = A.split(".")
a = abs(int(a))
if a == 1:
    exit(print("Yes"))

if B[0] == "-":
    exit(print("No"))
_, b = B.split(".")
b = int(b)
if b == 0:
    exit(print("Yes"))
if 10000%b != 0:
    print("No")
else:
    n = 10000//b
    if n > 60:
        print("No")
    else:
        left = 0
        right = 1000
        while left+1 < right:
            mid = (left+right)//2
            if mid**n <= a:
                left = mid
            else:
                right = mid
    if left**n == a:
        print("Yes")
    else:
        print("No")