#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAXN = 1e5;
double EPS = 1e-8;
vector<pair<int, bool>> g[MAXN];
int n, m, c[MAXN];
double x = 1e18, r[MAXN];
bool s[MAXN], vis[MAXN], ok = 1;
vector<int> comp;
void dfs(int u){
vis[u] = 1; comp.push_back(u);
for(auto &[v, w] : g[u]){
if(!vis[v]){
s[v] = !s[u];
c[v] = (2 - (int)w) - c[u];
dfs(v);
}else if(s[u] == s[v])
x = ((2 - (int)w) - c[u] - c[v]) / (s[u] ? -2.0 : 2.0);
}
}
signed main(){
cin.tie(0)->sync_with_stdio(0);
cin >> n >> m;
while(m--){
int u, v, w; cin >> u >> v >> w;
--u, --v;
g[u].emplace_back(v, w&1);
g[v].emplace_back(u, w&1);
}
for(int z=0; z<n && ok; ++z){
if(vis[z]) continue;
comp.clear(), x = 1e18, dfs(z);
if(x > 1e17){
vector<int> v;
for(int i : comp) v.push_back(s[i] ? c[i] : -c[i]);
sort(v.begin(), v.end());
x = v[(int)v.size()/2];
}
for(int i : comp) r[i] = (c[i] + (s[i] ? -x : x));
}
for(int u=0; u<n; ++u)
for(auto &[v, w] : g[u])
ok = ok && abs((2 - (int)w) - r[u] - r[v]) < EPS;
if(!ok) cout << "NO\n";
else{
cout << "YES\n";
cout << setprecision(1) << fixed;
for(int i=0; i<n; ++i) cout << r[i] << ' ';
}
}
