#include <iostream>
#include <vector>
#include <map>
using namespace std;
map<pair<int, int>, int> mm;
vector<int> g[100005], gg[200005], v;
int tin[100005], low[100005], z = 0, db[100005], hh;
long long int s[200005], f[200005], kk = 0, n, res = 0;
void dfs(int x, int p) {
tin[x] = low[x] = ++z;
v.push_back(x);
int c = 0;
for (int w : g[x]) {
if (w == p) continue;
if (tin[w] == 0) {
dfs(w, x);
low[x] = min(low[x], low[w]);
if (low[w] >= tin[x]) {
hh++;
gg[hh].push_back(x);
gg[x].push_back(hh);
while (1) {
int h = v.back();
gg[h].push_back(hh);
gg[hh].push_back(h);
v.pop_back();
if (h == w) break;
}
}
c++;
}
else low[x] = min(low[x], tin[w]);
}
if (p == -1 && c >= 2) {
}
}
void dfs3(int x, int p) {
db[x] = 1;
if (x <= n) kk++;
for (int w : gg[x]) {
if (w == p) continue;
dfs3(w, x);
}
}
void dfs4(int x, int p) {
s[x] = (x <= n);
for (int w : gg[x]) {
if (w == p) continue;
dfs4(w, x);
s[x] += s[w];
if (x > n) res -= s[w] * (s[w] - 1) * (gg[x].size() - 1);
}
if (x > n) res -= (kk - s[x]) * (kk - s[x] - 1) * (gg[x].size() - 1);
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
long long int m;
cin >> n >> m;
for (int i = 1; i <= m; i++) {
int u, v;
cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
hh = n;
for (int i = 1; i <= n; i++) {
if (tin[i] == 0) {
dfs(i, -1);
}
}
for (int i = 1; i <= n; i++) {
if (db[i] == 0) {
kk = 0;
dfs3(i, -1);
res += kk * (kk - 1) * (kk - 2);
dfs4(i, -1);
}
}
cout << res;
}
