URM_interpreter simple URM interpreter format is: [COMMAND] [NUMBER] .. [NUMBER] example: S 3 J 3 1 5 J 3 2 11 J 1 1 1 J 3 2 8 Z 1 J 1 1 100 Z 1 S 1 J 1 1 100 J 3 1 15 Z 1 S 1 J 1 1 100 Z 1 J 1 1 100 e ("e" for end of input)