test 1 failed
input:
8
9161 4008
8200 5722
5541 8324
-8899 4560
-9243 3814
-5114 -8593
-3866 -9222
9309 -3651
expected: 64774 72196 72196 72196 72196 72196
got: 64774
72196
72196
72196
72196
72196