import sys
input=sys.stdin.readline
def I(): return int(input())
def MI(): return map(int, input().split())
def LI(): return list(map(int, input().split()))

def main():
    mod=10**9+7
    import bisect
    n,z=MI()
    t=pow(z,n)
    L=[]
    for i in range(1,t):
        temp=pow(i,n)
        if temp>t:
            break
        L.append(temp)
        
    L.append(10**9)
    flag=0
    for xn in L:
        num=bisect.bisect_left(L,t-xn)
        if L[num]==t-xn:
            flag=1
            
            
    if flag==1:
        print("Yes")
    else:
        print("No")        

    


main()