5 print chr$(147);chr$(14)
10 input "Enter a string";s$:gosub 1000:print
20 if r then print "You entered a number.":goto 99
30 print "That is not a number."
99 end
1000 t1=val(s$):t1$=str$(t1)
1010 r=t1$=s$ or t1$=" "+s$
1099 return