#include"testlib.h"
#include<bits/stdc++.h>
using namespace std;

const int MIN_N = 2;
const int MIN_MX = 1;
const int MAX_NMX = 200'000;
const int MIN_CT = 1;
const int MAX_CT = 200'000;

int main() {
    registerValidation();

    int n = inf.readInt(MIN_N, MAX_NMX);
    inf.readSpace();
    int m = inf.readInt(MIN_MX, MAX_NMX);
    inf.readSpace();
    inf.readInt(MIN_MX, MAX_NMX);
    inf.readEoln();

    for(int i = 0; i < m; i++){
        inf.readInt(1, n);
        inf.readSpace();
        inf.readInt(1, n);
        inf.readSpace();
        inf.readInt(MIN_CT, MAX_CT);
        inf.readSpace();
        inf.readInt(MIN_CT, MAX_CT);
        inf.readEoln();
    }
    
    inf.readEof();
}