#include <fstream>

using namespace std;

ifstream fin("oz.in");
ofstream fout("oz.out");

int n, m, ii[100005], jj[100005], d[100005], v[100005];

int cmmdc(int a, int b) {
    while(b != 0) {
        int r = a % b;
        a = b;
        b = r;
    }
    return a;
}

int main() {
    fin >> n >> m;
    for(int i = 1; i <= n; i++) {
        v[i] = 1;
    }
    for(int i = 1; i <= m; i++) {
        fin >> ii[i] >> jj[i] >> d[i];
        v[ii[i]] *= d[i] / cmmdc(v[ii[i]], d[i]);
        v[jj[i]] *= d[i] / cmmdc(v[jj[i]], d[i]);
        
    }
    for(int i = 1; i <= m; i++) {
        if(cmmdc(v[ii[i]], v[jj[i]]) != d[i]) {
            fout << "-1";
            return 0;
        }
    }
    for(int i = 1; i <= n; i++) {
        fout << v[i] << " ";
    }
    return 0;
}