#include <bits/stdc++.h>
using namespace std;
#define debug(v) cerr<<#v" = "<<(v)<<"\n";
#define debugvec(v) do{cerr<<#v<<" = [";for(int i=0;i<v.size();i++)cerr<<v[i]<<(i==v.size()-1?"":", ");cerr<<"]\n";}while(0);
#define debugvecp(v) do{cerr<<#v<<" = [";for(int i=0;i<v.size();i++)cerr<<"[ "<<v[i].fst.fst<<" "<<v[i].fst.snd<<" ]"<<(i==v.size()-1?"":", ");cerr<<"]\n";}while(0);
#define fst first
#define snd second
#define gcd(x,y) __gcd(x,y)
#define OnlineJudge(s) freopen((s".in"),"r",stdin); freopen((s".out"),"w",stdout);
#define fastIO() cin.tie(0)->sync_with_stdio(0);cin.exceptions(cin.failbit);
#define boolsolve() cout<<(solve()?"Yes":"No");
using ll=long long;
using ull=unsigned long long;
using pll=pair<ll,ll>;
using vll=vector<ll>;
using vpll=vector<pll>;
using vvll=vector<vll>;
const ll INF=1e8;
const ll MOD=1e9+7;
const ll MAXN=2e5+1;
vector<bool> vis(MAXN,false); bool flag=true, flag2=false; pll xf;
vll B; vpll g[MAXN], A(MAXN);
void dfs(ll v,ll p){
vis[v]=true;
B.push_back(v);
for(auto u:g[v]){
if(u.fst==p) continue;
pll x={-A[v].fst,u.snd-A[v].snd};
if(!vis[u.fst]){
A[u.fst]=x;
dfs(u.fst,v);
}else{
if(x.fst==A[u.fst].fst){
if(x.snd!=A[u.fst].snd){
flag=false;
return;
}
}else{
pll x2={x.fst-A[u.fst].fst,A[u.fst].snd-x.snd};
if(!flag2){
xf=x2;
flag2=true;
}else if(xf.fst*x2.snd!=xf.snd*x2.fst){
flag=false;
return;
}
}
}
}
}
double ok(double k){
double res=0;
for(int v:B) res+=abs(k*A[v].fst+A[v].snd);
return res;
}
void solve(){
ll n, m, a, b, c; double l, r; vector<double> ans(MAXN);
cin >> n >> m;
for(int i=0; i<m; i++){
cin >> a >> b >> c;
g[a].push_back({b,c});
g[b].push_back({a,c});
}
for(int i=1; i<=n && flag; i++){
if(!vis[i]){
flag2=false;
B.clear();
A[i]={1,0};
dfs(i,-1);
double y=0;
if(flag2) y=(double)xf.snd/xf.fst;
else{
l=-INF, r=INF;
while(abs(r-l)>1e-10){
double m1=l+(r-l)/3.0, m2=r-(r-l)/3.0;
if(ok(m1)>ok(m2)) l=m1;
else r=m2;
}
y=l;
}
for(int v:B) ans[v]=y*A[v].fst+A[v].snd;
}
}
if(!flag) cout << "NO";
else{
cout << "YES\n";
for(int i=1; i<=n; i++) cout << ans[i] << " ";
}
}
int main(){
fastIO();
cout.setf(ios::fixed);
cout.precision(7);
//OnlineJudge("")
ll t=1;
//cin >> t;
while(t--){
solve();
//cout << "\n";
}
return 0;
}
