10 rem   determine and print the sum of two integers
32  15 rem   
33  20 rem   input the two integers 
34  30 input a
35  40 input b
36  45 rem
37  50 rem   add integers and store result in c
38  60 let c = a + b
39  65 rem
40  70 rem   print the result
41  80 print c
42  90 rem   terminate program execution
43  99 end