#include <stdio.h> int main(void) { int N, M; int i, j, k; scanf("%d %d", &N, &M); int basket[N]; for (int x = 0; x < M; x++) { scanf("%d %d %d", &i, &j, &k); for (int y = i; y <= j; y++) { basket[y - 1] = k; } } for (int x = 0; x < N; x++) { printf("%d ", basket[x]); } return 0; }