n,z=map(int,input().split())
a=0
for x in range(1,10**5):
    for y in range(x,10**5):
        if x ** n + y ** n == z ** n:
            a+=1
            break        
        elif x ** n + y ** n > z ** n:
            break

if a > 0:
    print('Yes')
else:
    print('No')