1if 0 2 println "zero" 3else 4 println "one" 5 if 1 6 println "A" 7 else 8 println "B" 9 elif 2 10 println "C" 11 else 12 println "D" 13 endc 14elif 2 15 println "two" 16else 17 println "three" 18endc 19