This loop will get all of the values into variables
-SET &PARMSTR = '1@3@5@11@12';
-SET &CNTR = 1;
-REPEAT LOOP1 99 TIMES
-SET &MTH&CNTR.EVAL = GETTOK(&PARMSTR, 100, &CNTR, @, 2, 'A2');
-IF &MTH&CNTR.EVAL EQ ' ' THEN GOTO ENDLOOP;
-SET &CNTR = &CNTR + 1;
-LOOP1
-ENDLOOP