#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
const int MaxN = 1e6 + 5;
struct Edge
{
int u, v, w;
bool isused;
};
int n, m;
Edge edges[MaxN];
vector<int> graph[MaxN];
void Inp()
{
cin >> n >> m;
for (int x = 1; x <= m; x++)
{
cin >> edges[x].u >> edges[x].v >> edges[x].w;
graph[edges[x].u].push_back(x);
graph[edges[x].v].push_back(x);
}
}
bool iscycle;
bool visited[MaxN];
long long val[MaxN];
int h[MaxN];
vector<int> curdfs;
void PreDFS(int u)
{
for (int x : graph[u])
{
if (edges[x].isused)
{
continue;
}
int v = edges[x].u ^ edges[x].v ^ u;
edges[x].isused = true;
if (!visited[v])
{
curdfs.push_back(x);
h[v] = h[u] + 1;
visited[v] = true;
PreDFS(v);
curdfs.pop_back();
}
else
{
if (!iscycle && (h[u] - h[v]) % 2 == 0)
{
iscycle = true;
bool neg = false;
val[u] = 0;
int t = u;
for (int x = (int)curdfs.size() - 1; x >= 0; x--)
{
val[u] += edges[curdfs[x]].w * (1 - 2 * neg);
neg = !neg;
t = t ^ edges[curdfs[x]].u ^ edges[curdfs[x]].v;
if (t == v)
{
break;
}
}
val[u] += edges[x].w * (1 - 2 * neg);
}
}
}
}
bool check;
void DFS(int u)
{
for (int x : graph[u])
{
int v = edges[x].u ^ edges[x].v ^ u;
if (!visited[v])
{
visited[v] = true;
val[v] = 2 * edges[x].w - val[u];
DFS(v);
}
else
{
check &= (val[u] + val[v] == 2 * edges[x].w);
}
}
}
void Exc()
{
for (int x = 1; x <= n; x++)
{
val[x] = -1;
visited[x] = false;
}
for (int x = 1; x <= n; x++)
{
if (!visited[x])
{
visited[x] = true;
PreDFS(x);
}
}
for (int x = 1; x <= n; x++)
{
visited[x] = false;
}
check = true;
for (int x = 1; x <= n; x++)
{
if (!visited[x] && ~val[x])
{
visited[x] = true;
DFS(x);
}
}
for (int x = 1; x <= n; x++)
{
if (!visited[x])
{
val[x] = 0;
visited[x] = true;
DFS(x);
}
}
if (!check)
{
cout << "NO";
return;
}
cout << "YES\n";
for (int x = 1; x <= n; x++)
{
cout << fixed << setprecision(6) << (long double)((long double)val[x] / 2.0) << " ";
}
}
int main()
{
//freopen("GRAPH.INP", "r", stdin);
//freopen("GRAPH.OUT", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int test = 1;
//cin >> test;
for (int x = 1; x <= test; x++)
{
Inp();
Exc();
}
return 0;
}
