REPORT  z10_06.

DATA: BEGIN OF gs_str,

          col1 TYPE char5   VALUE 'KOREA',

          col2 TYPE char10  VALUE 'SEOUL',

          col3 TYPE char15  VALUE 'TWIN BUILDING',

        END OF gs_str.

FIELD-SYMBOLS: <fs1> LIKE gs_str,

               <fs2> TYPE ANY.

ASSIGN gs_str TO <fs1>.

DO 3 TIMES.

  ASSIGN COMPONENT sy-index OF STRUCTURE <fs1> TO <fs2>.

  WRITE <fs2>.