#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
#define pi pair<int, int>
#define pl pair<ll,ll>
#define all(x) (x).begin(),(x).end()
const int maxn=2e5+10;
struct eq {
long double a=-1e9,b=-1e9;//a*x+b
eq(long double _a=-1e9, long double _b=-1e9): a(_a),b(_b) {}
long double sol(eq o) {
if (a==o.a) {
if (b==o.b) {
return 1e9;
}
return -1e9;
}
return (1.0*o.b-b)/(a-o.a);
}
long double get(long double x) {
return a*x+b;
}
};
vector<vector<pi>> graph(maxn);
vector<long double> vals(maxn,1e9);
vi seen(maxn,0);
vector<eq> eqs(maxn);
long double sol=1e9;
vi comp;
void dfs(int cur) {
seen[cur]=1;
comp.pb(cur);
for (auto [to,v]:graph[cur]) {
eq temp={-eqs[cur].a,v-eqs[cur].b};
if (seen[to]) {
long double newsol=temp.sol(eqs[to]);
if (newsol==1e9) {
continue;
}
if (sol!=1e9 && abs(sol-newsol)>1e-9) {
sol=-1e9;
return;
}
else {
sol=newsol;
}
}
else {
eqs[to]=temp;
dfs(to);
}
}
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n,m;
cin >> n >> m;
int a,b,c;
for (int i=0; i<m; i++) {
cin >> a >> b >> c;
graph[--a].pb({--b,c});
graph[b].pb({a,c});
}
for (int i=0; i<n; i++) {
if (!seen[i]) {
sol=1e9;
comp.clear();
eqs[i]={1,0};
dfs(i);
if (sol==-1e9) {
cout << "NO\n";
return 0;
}
else if (sol!=1e9) {
for (auto a:comp) {
vals[a]=eqs[a].get(sol);
}
}
else {
long double sum=1e9;
for (auto [l,r]:vector<pair<long double,long double>>({{-2,-1},{-1,0},{0,1},{1,2}})) {
while (abs(r-l)>=1e-12) {
long double m1=l+(r-l)/2;
long double m2=m1-1e-15;
long double s1=0,s2=0;
for (auto cur:comp) {
s1+=abs(eqs[cur].get(m1));
s2+=abs(eqs[cur].get(m2));
}
if (m1<m2) {
r=m2;
}
else {
l=m1;
}
}
long double m=l+(r-l)/2;
long double s=0;
for (auto cur:comp) {
s+=abs(eqs[cur].get(m));
}
if (s<=sum) {
sum=s;
for (auto cur:comp) {
vals[cur]=eqs[cur].get(m);
}
}
}
}
}
}
cout << "YES\n" << fixed << setprecision(12);
for (int i=0; i<n; i++) {
cout << vals[i] << " \n"[i==n-1];
}
return 0;
}
