we have 3 points coordinate of 3 corners of specific rectangle fine the other point you can't use array. Input : in first 3 line we have $$$x_i , y_i$$$ of i-th point. Output : print $$$x_4 , y_4$$$.

example :
   input 
        1 2
        3 5
        3 2
   output 
        1 5

    input 
        11 26
        -2 7
        5 5
    output
        4 28