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#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <queue>
#include <bitset>
using namespace std;
#ifdef LOCAL
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
#define eprintf(...) 42
#endif
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, int> pli;
typedef pair <ll, ll> pll;
typedef long double ld;
#define mp make_pair
#define pb push_back
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 2000 + 7;
struct data {
int who, add;
};
int n, q, prefix[N];
vector <data> c[N];
void calculate(int a) {
if (prefix[a] != -1)
return;
prefix[a] = 0;
for (auto &it : c[a]) {
int b = it.who, add = it.add;
calculate(b);
prefix[a] = prefix[b] + add;
}
}
int main()
{
freopen("reconst.in", "r", stdin);
freopen("reconst.out", "w", stdout);
cin >> n >> q;
for (int i = 1; i <= n; i++)
prefix[i] = -1;
prefix[0] = 0;
for (int i = 1; i <= q; i++) {
int l, r, x;
cin >> l >> r >> x;
l--;
c[l].push_back({r, -x});
c[r].push_back({l, +x});
}
for (int i = 1; i <= n; i++)
calculate(i);
for (int i = 1; i <= n; i++) {
int foo = prefix[i] - prefix[i - 1];
if (foo < 0) foo = 0;
cout << foo << " ";
}
cout << "\n";
return 0;
}