#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); ++i)
#define all(v) begin(v), end(v)
struct edge {
int to, cost;
edge(int t, int c) : to(t), cost(c) {}
};
int main() {
int n, k; cin >> n >> k;
vector<vector<edge>> g(2 * n);
rep (i, 2 * n) {
int l, r, s; cin >> l >> r >> s;
g[--l].emplace_back(--r + n, s);
g[r + n].emplace_back(l, s);
}
vector<bool> used(2 * n, false);
int sm = 0;
{
vector<int> deg(2 * n);
queue<int> que;
rep (i, 2 * n) {
deg[i] = g[i].size();
if (deg[i] == 1) que.push(i);
if (deg[i] == 0) {
puts("NO");
return 0;
}
}
while (!que.empty()) {
int v = que.front(); que.pop();
if (deg[v] != 1) {
puts("NO");
return 0;
}
used[v] = true;
for (auto e : g[v]) {
if (used[e.to]) continue;
if (v < n) sm += e.cost;
else sm -= e.cost;
--deg[e.to];
if (deg[e.to] == 1) que.push(e.to);
}
}
}
vector<int> a;
rep (i, 2 * n) {
if (used[i]) continue;
used[i] = true;
int tmp = 0, sgn = 1;
int v = -1;
for (auto e : g[i]) {
if (!used[e.to]) {
if (v == -1) {
v = e.to;
tmp += e.cost;
}
else {
tmp -= e.cost;
}
}
}
sgn = -sgn;
while (v != i) {
used[v] = true;
bool flag = true;
for (auto e : g[v]) {
if (!used[e.to]) {
v = e.to;
tmp += e.cost * sgn;
sgn = -sgn;
flag = false;
break;
}
}
if (flag) break;
}
tmp = abs(tmp);
sm -= tmp;
a.push_back(tmp * 2);
}
bitset<1200001> dp(1);
for (auto x : a) dp |= dp << x;
bool f = false;
rep2 (i, max(0, -k - sm), k - sm + 1) {
if (dp[i]) f = true;
}
puts(f ? "YES" : "NO");
}
