COCI 2007/2008, Contest #1

Task CETVRTA

Mirko needs to choose four points in the plane so that they form a rectangle with sides parallel to the axes. He has already chosen three points and is confident that he hasn't made a mistake, but is having trouble locating the last point. Help him.

Input

Each of the three points already chosen will be given on a separate line. All coordinates will be integers between 1 and 1000.

Output

Output the coordinates of the fourth vertex of the rectangle.

Examples

Input

5 5
5 7
7 5

Output

7 7

Input

30 20
10 10
10 20

Output

30 10

All Submissions
Best Solutions


Point Value: 3
Time Limit: 1.00s
Memory Limit: 32M
Added: Jul 30, 2013

Languages Allowed:
C++03, PAS, C, HASK, ASM, RUBY, PYTH2, JAVA, PHP, SCM, CAML, PERL, C#, C++11, PYTH3

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