#include <stdio.h>
#include <bits/stdc++.h>
//%lld
typedef long long ll;
using namespace std;
int tarefa[1000000];
int main(){
    //freopen("in.txt", "r", stdin);
    //freopen("out.txt", "w", stdout);
    int m, n, ini, fim, intervalo;
    bool conflito = false;
    while(scanf("%d", &n)==1){
        scanf("%d", &m);
        if(m+n==0)break;
        else{
            memset(tarefa, 0, sizeof(tarefa));
            conflito = false;
            for(int i = 0;i<n;i++){
                scanf("%d%d", &ini, &fim);
                for(int j = ini;j<fim;j++){
                    if(tarefa[j]!=0)conflito = true;
                    tarefa[j]=1;
                }
            }

            for(int i = 0;i<m;i++){
                scanf("%d%d%d", &ini,&fim,&intervalo);
                for(int i = ini;!conflito&&ini<1000000;i++){
                    if(tarefa[i]!=0)conflito = true;
                    tarefa[i]=1;
                    if(i==fim-1&&!conflito){
                        i+=intervalo;
                        fim+=intervalo;
                        if(fim>1000000)fim = 1000000;
                    }
                }
            }
            if(conflito)puts("CONFLICT");
            else puts("NO CONFLICT");
        }
    }
}