The Past Master Club
ZX81

1   REM "READ DATA" or 2. LET N=3
2  INPUT N
3  LET A$="42.75.6.33.A.b."
4  LET X=1
5  LET Y=1
6  FOR I=1 T0 N
7  LET Y=Y+1
8  IF A$(Y)<>"." THEN GOTO 7
9  LET K$=A$(X TO Y-1)
10  LET X=Y+1
11  NEXT I
12  PRINT K$
 
OR
 
1  REM "READ DATA"
2  INPUT N
3  PRINT "O42075006333029"(3*(N-1-1) TO 3*(N-1+3)


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