#include <iostream>
#include<vector>
using namespace std;
template <typename T> istream& operator>>(istream& input, vector<T>& data) {
	for (T& x : data)
		input >> x;
	return input;
}
int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
	int n, q;
	cin >> n >> q;
 
	vector<int>v(n);
	vector<int>add(n+1,0);
 
	int l, r, val;
 
	while (q--) {
		cin >> l >> r >> val;
 
		for (int i = l - 1; i <= r - 1; i++) {
			v[i] += val;
		}
 
	}
 
	for (int x:v) {
		cout << x;
    }
 
	return 0;
}
 

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