n,z = map(int,input().split())
import sys
if n >= 3:
    print('No')
    exit()
if n == 1:
    if z > 1:
        print('Yes')
        exit()
    else:
        print('No')
        exit()

s =set()
for x in range(1,z):
    s.add(x * x)
for x in range(1,z):
    if z * z - x * x in s:
        print('Yes')
        exit()
print('No')