PROGRAM GAUSS (INPUT, OUTPUT);

VAR I, J, K, L, M, N: INTEGER;
    Q: REAL;
    A: ARRAY[1..9, 1..10] OF REAL;

BEGIN
  READ(N); WRITELN(N);
  FOR I := 1 TO N DO
    BEGIN
    FOR J := 1 TO N+1 DO BEGIN READ(Q); WRITE(Q:6:2) END;
    WRITELN
    END
END.