10 REM JOSEPHUS PROBLEM
20 LET N=41,K=3,M=0
30 GOSUB 100
40 PRINT #1,"N =",N,", K =",K,", FINAL SURVIVOR =",L
50 STOP
90 REM ** JOSEPHUS
100 LET L=M
110 FOR A=M+1 TO N
120 LET L=L+K-((L+K)/A)*A
130 NEXT A
140 RETURN