100 DIM sign(0 TO 9)
110 FOR i=1 TO 9
120    LET sign(i)=-1
130 NEXT i

140 DO
150    LET x,n=0
160    LET s=1
170    FOR i=1 TO 9
180       IF sign(i)=0 THEN
190          LET n=10*n+i
200       ELSE
210          LET x=x+s*n
220          LET s=sign(i)
230          LET n=i
240       END IF
250    NEXT i
260    LET x=x+s*n

270    IF x=100 THEN
280       FOR i=1 TO 9
290          IF sign(i)=1 THEN
300             PRINT " + ";
310          ELSEIF sign(i)=-1 THEN
320             PRINT " - ";
330          END IF
340          PRINT USING "#": i;
350       NEXT i
360       PRINT " = 100"
370    END IF

380    LET i=9
390    LET s=sign(i)+1
400    DO WHILE s>1
410       LET sign(i)=-1
420       LET i=i-1
430       LET s=sign(i)+1
440    LOOP
450    LET sign(i)=s

460 LOOP WHILE sign(1)<1
470 END