+
−# example program for baum
+
−# http://prog.marmaro.de/baum
+
−#
+
−# echoes the sum and a newline afterwards
+
−# then returns 0 to the shell
+
−#
+
−# see: sum3input.baum
+
−
+
−number(0)
+
−	sum(0)
+
−		print(0)
+
−			sum(0)
+
−				create(0)
+
−				create(0)
+
−				create(0)
+
−		print(99)
+
−			number(10)