N,X,Y = map(int,input().split())

dp = []

for i in range(X+1):
    dp.append([-1]*(Y+1))

dp[0][0] = 0

for _ in range(N):
    A,B,C = map(int,input().split())
    
    for i in range(X,0,-1):
        for j in range(Y+1):
            if j-B >= 0 and i-A >= 0 and dp[i-A][j-B] != -1:
                dp[i][j] = max(dp[i][j],dp[i-A][j-B]+C)

ans = 0
for i in range(X+1):
    for j in range(Y+1):
        ans = max(ans,dp[i][j])

print(ans)