#include <bits/stdc++.h>
using namespace std;
const int mxN=6e4;
int n, k, l[mxN], r[mxN], s[mxN], dp0;
set<int> pc[mxN];
bitset<20*mxN+1> dp;
queue<int> qu;
vector<int> vc;
void fk(){
cout << "NO";
exit(0);
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> k;
n*=2;
for(int i=0; i<n; ++i) {
cin>>l[i]>>r[i]>>s[i], --l[i], r[i]+=n/2-1;
pc[l[i]].insert(i);
pc[r[i]].insert(i);
}
for(int i=0; i<n; ++i) {
if(!pc[i].size())fk();
else if(pc[i].size()==1)qu.push(i);
}
dp0=10*n;
while(qu.size()){
int u=qu.front();
if(!pc[u].size())fk();
qu.pop();
int a=*pc[u].begin(),v=u^l[a]^r[a];
dp0+=u<n/2?s[a]:-s[a];
pc[v].erase(a);
if(pc[v].size()==1)qu.push(v);
}
for(int i=0;i<n;++i) {
if(pc[i].size()<2)
continue;
int c=0;
for(int j=i; pc[j].size(); ) {
int a=*pc[j].begin();
c+=j<n/2?s[a]:-s[a];
pc[l[a]].erase(a);
pc[r[a]].erase(a);
j^=l[a]^r[a];
}
c=abs(c);
dp0-=c;
vc.push_back(2*c);
}
dp[dp0]=1;
for(int c:vc)dp|=dp<<c;
bool ok=0;
for(int i=10*n-k;i<=10*n+k&&!ok;++i)
ok=dp[i];
if(!ok)fk();
cout << "YES";
}
