bread = 10
peanut_butter = 20
jelly = 30
if bread > 1 and peanut_butter >= 1 and jelly >= 1:
	sandwiches = bread/2
	print "I can make {0} PBJ sandwiches today.".format(sandwiches)
elif bread % 2 and peanut_butter >=1 and jelly >= 1:
	print "I can make an open face sandwich"
elif bread > 1 and peanut_butter >= 1 and jelly == 0:
	bpsandwiches = min(bread/2,peanut_butter)
	print "I can make {0} peanut butter sandwiches".format(bpsandwiches)
elif bread > 1 and jelly >= 1 and peanut_butter == 0:
	bjsandwiches = min(bread/2,jelly)
	print "I can make {0} jelly sandwiches".format(bjsandwiches)
else:
	if bread < 2:
		print "you need more bread"
	if jelly < 1:
		print "You need more jelly"
	if peanut_butter < 1:
		print "You need more peanut_butter"