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input/code.cpp: In function 'int main()':
input/code.cpp:65:9: error: 'print' was not declared in this scope
         print("1");
         ^~~~~
input/code.cpp:65:9: note: suggested alternative: 'printf'
         print("1");
         ^~~~~
         printf

#include <bits/stdc++.h>

using namespace std;

int n, m, s, t;
int inf = 999999999;
vector<int> a[100000];
int c[1000][1000];
int f[1000][1000];
int d[1000];

bool bfs(int s, int t) {
    queue<int> q;
    for (int i = 1; i <= n; i++)
        d[i] = 0;
    d[s] = inf;
    q.push(s);

    while (!q.empty()) {
        int u = q.front();
        q.pop();
        if (u == t)
            return true;
        for (int v : a[u])
            if (d[v] == 0 && c[u][v] > f[u][v]) {
                d[v] = u;
                q.push(v);
            }
    }
    return false;
}

void maxflow() {
    int u, v, diff = inf;
    for (v = t; v != s; v = d[v]) {
        u = d[v];
        if (diff > c[u][v] - f[u][v])
            diff = c[u][v] - f[u][v];
    }
    for (v = t; v != s; v = u) {
        u = d[v];
        f[u][v] += diff;
        f[v][u] -= diff;
    }
}

int main() {
    cin >> n >> m;
    s = 1;
    t = n;
    for (int i = 1; i <= m; i++) {
        int u, v, w;
        cin >> u >> v >> w;
        a[u].push_back(v);
        a[v].push_back(u);
        c[u][v] = w;
    }
    while (bfs(s, t))
        maxflow();

    long long int ans = 0;
    for (int v : a[s])
        ans += f[s][v];
    if (n == 2)
        print("1");
    printf("%lld", ans);
    return 0;
}