Program Gauss_Seidel;

    uses crt;

const N=20;

var  a11,a12,a13,a21,a22,a23,a31,a32,a33,b1,b2,b3,x,y,z,x2,y2,z2:real;

       i:integer;

  begin

     read(a11, a12, a13, b1, a21, a22, a23, b2, a31, a32, a33, b3);

     x:=b1;  y:=b2;  z:=b3;   

     for i:=1 to N  do

       begin

         x2:=(-a12*y-a13*z+b1)/a11;  

         y2:=(-a21*x2-a23*z+b2)/a22;

         z2:=(-a31*x2-a32*y2+b3)/a33;

         x:=x2; y:=y2; z:=z2;

         writeln;  write(x:4:5,'  ');  write(y:4:5,'  ');   write(z:4:5,'  ');  

       end;

     writeln;  writeln;  

repeat until keypressed;

  end.