R=range
def J():
	return map(int,input().split())
N,X,Y=J()
W=Y+1
d=[0]*W*(X+1)
for n in R(N):
	A,B,C=J()
	for x in R(X-A,-1,-1):
		for y in R(Y-B,-1,-1):d[(x+A)*W+y+B]=max(d[(x+A)*W+y+B],d[x*W+y]+C)
print(max(d))