。。。。。

def max_value(n, m, weights, values):
    dp = [0] * (m + 1)
    
    for i in range(n):
        weight = weights[i]
        value = values[i]
        for j in range(m, weight - 1, -1):
            dp[j] = max(dp[j], dp[j - weight] + value)
    
    return dp[m]

# 示例输入
n, m = 3, 8
weights = [2, 5, 5]
values = [3, 4, 5]

print(max_value(n, m, weights, values))  # 输出：8