def judge(z):
    for x in range(1,int(z**0.5)+1):
        for y in range(1,int(z**0.5)+1):
            if x**2+y**2==z**2:
                return True
    return False
    
n,z=map(int,input().split())
if n>=3:
    print('No')
elif n==1:
    if z==1:
        print('No')
    else:
        print('Yes')
elif n==2:
    if judge(z)==True:
        print('Yes')
    else:
        print('No')