default: clean Sim.class run1 run2

Sim.class: Sim.java
	javac Sim.java

run1:
	java Sim < data1 > temp.1
	diff out1 temp.1

run2:
	java Sim < data2 > temp.2
	diff out2 temp.2

clean:
	rm -f core junk* temp.* *.class