import sys
input = sys.stdin.readline

N,X,Y=map(int,input().split())
A=[list(map(int,input().split())) for i in range(N)]

DP=[[0]*(Y+1) for i in range(X+1)]

for a,b,c in A:
    for i in range(X,-1,-1):
        for j in range(Y,-1,-1):
            if i+a<=X and j+b<=Y:
                DP[i+a][j+b]=max(DP[i+a][j+b],DP[i][j]+c)

ANS=0

for i in range(X+1):
    for j in range(Y+1):
        ANS=max(ANS,DP[i][j])

print(ANS)