/*== Ex16 簡単な文字操作 ===========*/
#include "pseudo.h"
/*===============================*/
FUNCTION  Main()
  VARIABLE
    int c;
  BEGIN
    LOOP
        c= getchar();

        IF ( c EQL EOF)
            EXITLOOP;
        ELSEIF('A' <= c AND c <= 'Z')
            putchar( c -('A'- 'a'));
        ELSEIF('a' <= c AND c <= 'z')
            putchar( c +('A'-'a'));
        ELSEIF( c EQL '\n')
            WriteLn;
        ELSE    /*その他のコード*/
            WriteHex( c);
        ENDIF
    ENDLOOP
  END
/*===============================*/