public static void main(String[] args) {
		//since 420 is not divisible by 8, we need a 4 in there
		//that means N cannot be odd
		//looping for all a and b to add result to array of all N
		//we need n*n/2 = a*a + b*b so we have n = sqrt(2*(a*a+b*b))
		//so we look at perfect squares and have ps = 2*a*a + 2*b*b so we need b = sqrt(ps/2-a*a)
		
		
	}