#include "fish.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define sp << " " <<
#define all(x) x.begin(),x.end()
#define big(x) ((int)(x.size()))
using namespace std;
const int MOD = 1e9+7, LIM = 1e6+1, inf = 2e9;
const int NN = 100001;
int max_weights(int32_t N, int32_t M, vector<int32_t> X,vector<int32_t> Y, vector<int32_t> W) {
vi fs(N+1,0),sc(N+1,0);
int smy=0;
for (int i = 0;i<M;i++) {
if (!X[i]) fs[Y[i]+1] = W[i];
else sc[Y[i]+1] = W[i],smy+=W[i];
}
int ans = smy;
for (int i=1;i<=N;i++) {
smy-=sc[i];
smy+=fs[i];
ans = max(ans,smy);
}
return ans;
}
