10 INPUT L0
 20 INPUT L1
 30 INPUT S
 40 PRINT L0;" ";L1;
 50 FOR I=3 TO 25
 60 LET T=L1
 70 LET L1=L0+L1+S
 80 LET L0=T
 90 PRINT " ";L1;
100 NEXT I
110 END