t=int(input())
for i in range(t):
u,v=map(int,input().strip().split())
x=-u**2
y=v**2
a=(x//u)+(y//v)
b=(x+y)//(u+v)
if a==b:
print(x,y)1560A - Dislike of Threes | 36. Valid Sudoku |
557. Reverse Words in a String III | 566. Reshape the Matrix |
167. Two Sum II - Input array is sorted | 387. First Unique Character in a String |
383. Ransom Note | 242. Valid Anagram |
141. Linked List Cycle | 21. Merge Two Sorted Lists |
203. Remove Linked List Elements | 733. Flood Fill |
206. Reverse Linked List | 83. Remove Duplicates from Sorted List |
116. Populating Next Right Pointers in Each Node | 145. Binary Tree Postorder Traversal |
94. Binary Tree Inorder Traversal | 101. Symmetric Tree |
77. Combinations | 46. Permutations |
226. Invert Binary Tree | 112. Path Sum |
1556A - A Variety of Operations | 136. Single Number |
169. Majority Element | 119. Pascal's Triangle II |
409. Longest Palindrome | 1574A - Regular Bracket Sequences |
1574B - Combinatorics Homework | 1567A - Domino Disaster |