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//Konrad Paluszek,University of Warsaw(former XIV LO Staszic)
//#STAY AT HOME
#ifndef LOCAL
#pragma GCC optimize("O3")
#endif
#define TIME (chrono::steady_clock::now().time_since_epoch().count())
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define xfm(a,b)a##b
#define xwb(a,b)xfm(a,b)
#define _ xwb(nvj,__LINE__)
#define __ xwb(kjy,__LINE__)
#define ___ xwb(cjm,__LINE__)
#define REP(i,n)for(urs(n)i=0;i<(n);++i)
#define PER(r...)for(bool _=1;_||next_permutation(r);_=false)
#define FS(r)r.first,r.second
#define ALL(r)(r).begin(),(r).end()
#define M0(r) memset(r,0,sizeof(r))
#define sim template<class c
#define forbits(i,m)if(m)for(urs(m)i=ctz(m),i##nvj=m;i##nvj;i##nvj^=((urs(m))1<<i),i=i##nvj?ctz(i##nvj):0)
#define fordbits(i,m)if(m)for(urs(m)i=8*sizeof(m)-clz(m)-1,i##nxd=m;i##nxd;i##nxd^=((urs(m))1<<i),i=i##nxd?8*sizeof(m)-clz(i##nxd)-1:0)
#define ksets(t, m, k, n)for(t m=(((t)1<<(k))-1);m<((t)1<<(n));m=nux(m))
#define urs(r...)typename decay<decltype(r)>::type
#define hur(f,g)sim>int f(c a){if(sizeof(c)==8)return g##ll(a);return g(a);}
using namespace __gnu_pbds;using namespace std;using ll=long long;using ld=long double;using ull=unsigned long long;using vi=vector<int>;using vll=vector<ll>;using pii=pair<int,int>;using pll=pair<ll,ll>;using vpii=vector<pii>;using unt=unsigned int;sim>using min_queue=priority_queue<c,vector<c>,greater<c>>;sim,class b,class cmp=less<c>>using ordered_map=tree<c,b,cmp,rb_tree_tag,tree_order_statistics_node_update>;sim,class cmp=less<c>>using ordered_set=ordered_map<c,null_type,cmp>;hur(popc,__builtin_popcount)hur(ctz,__builtin_ctz)hur(clz,__builtin_clz)sim,class N>bool mini(c&o,const N&h){if(o>h)return o=h,1;return 0;}sim,class N>bool maxi(c&o,const N&h){if(o<h)return o=h,1;return 0;}
#ifdef LOCAL
#include </home/kjp/headers/debuglib.hpp>
#else
#define loc(...)
#define onl(r...)r
#define debug(...)
#define print_stack(...)
#define mark_stack(...)
#define set_pre(...)
#define reg_it(...)
#define def_op(...) struct _{};
#define mask_set(...)
#define exit my_exit
void my_exit(int x) {fflush(stdout);_Exit(x);}
#endif
#define next nexT
#define prev preV
#define tree trEE
#define left lefT
#define right righT
#define div diV
#define y1 y_1
#define pow don't'
ull mix(ull o){o+=0x9e3779b97f4a7c15;o=(o^(o>>30))*0xbf58476d1ce4e5b9;o=(o^(o>>27))*0x94d049bb133111eb;return o^(o>>31);}ull SALT=0x7a14a4b0881ebf9,tqu=0x7a14a4b0881ebf9;ull my_rand(){return tqu=mix(tqu);}void my_srand(ull x){SALT=tqu=x;}const int inf=1023400000;const ll llinf=1234567890000000000ll;ll fix(ll o, ll m){o%=m;if(o<0)o+=m;return o;}
#define rand my_rand
#define srand my_srand
#define random_shuffle(r...)random_shuffle(r,[](int _){return my_rand()%_;})
sim>inline c nux(c m){if(!m)return numeric_limits<c>::max();c A=m&-m;c B=~((A-1)^m);c C=B&-B;c D=(C>>(1+ctz(A)))-1;return C|(m&~(C-1))|D;}sim>void unq(c&x){x.resize(unique(ALL(x))-x.begin());}
//#STAY AT HOME
const int nax = 2e5 + 44;
struct FU {
	vi u;
	FU(int n) : u(n + 1) {iota(u.begin(), u.end(), 0);}
	int find(int x) {
		if (u[x] == x) return x;
		return u[x] = find(u[x]);
	}
	void onion(int a, int b) {
		u[find(a)] = find(b);
	}
};
vpii graph[nax];
vi tree[nax];
int col[nax], dep[nax];
void dfs(int x, int y, int d, vpii & rets) {
	assert(col[x] == 0);
	col[x] = 1;
	dep[x] = d;
	for (auto [v, nu] : graph[x]) if (nu != y) {
		if (col[v] == 1) {
			rets.emplace_back(v, x);
		}
		else if (col[v] == 0) {
			tree[x].push_back(v);
			dfs(v, nu, d + 1, rets);
		}
	}
	col[x] = 2;
}
ll c2(ll x) {
	return x * (x - 1) / 2;
}
#define hash Hash
int cou[nax];
ull hash[nax];
void dfs2(int x) {
	for (int v : tree[x]) {
		dfs2(v);
		cou[x] += cou[v];
		Hash[x] ^= Hash[v];
	}
}
ll solve(vpii edges, int n) {
	debug(imie(edges));
	ll ans = 0;
	FU f(n);
	for (auto [a, b] : edges) {
		f.onion(a, b);
	}
	bool all = true;
	for (int i = 1; i <= n; ++i) if (f.find(i) != f.find(1)) all = false;
	if (!all) return c2(edges.size());
	for (int i = 1; i <= n; ++i) graph[i].clear();
	for (int i = 1; i <= n; ++i) tree[i].clear();
	int j = 0;
	for (auto [a, b] : edges) {
		graph[a].emplace_back(b, j);
		graph[b].emplace_back(a, j);
		j++;
	}
	for (int i = 1; i <= n; ++i) col[i] = dep[i] = cou[i] = hash[i] = 0;
	vpii rets;
	dfs(1, -1, 0, rets);
	debug(imie(rets));
	for (auto [a, b] : rets) {
		ull x = rand();
		hash[a] ^= x;
		hash[b] ^= x;
		cou[a]--;
		cou[b]++;
	}
	dfs2(1);
	int oth = edges.size() - (n - 1);
	int zeros = 0;
	for (int i = 2; i <= n; ++i) {
		debug(arr(cou, i), arr(Hash, i));
		if (cou[i] == 1) ans++;
		else if (cou[i] == 0) zeros++;
	}
	debug(imie(zeros), imie(oth));
	ans += zeros * 1ll * (edges.size() - zeros) + c2(zeros);
	map <ull, int> way;
	for (int i = 2; i <= n; ++i) way[Hash[i]]++;
	assert(Hash[1] == 0);
	assert(cou[1] == 0);
	debug(imie(way));
	for (auto [h, c] : way) if (h) ans += c2(c);
	debug(imie(ans));
	return ans;
}
void solve() {
	int n, m;
	scanf("%d%d", &n, &m);
	vpii graph(m);
	REP(i, m)
		scanf("%d%d", FS(&graph[i]));
	ll ans = 0;
	REP(i, m) {
		vpii sub;
		REP(j, m) if (j != i) sub.push_back(graph[j]);
		debug("skip", arr(graph, i));
		ans += solve(sub, n);
	}
	assert(ans % 3 == 0);
	printf("%lld\n", ans / 3);
}
int main() {
	// unt seed = TIME; debug(imie(seed));srand(seed);
	int t = 1;
	// scanf("%d", &t);
	REP(_, t) solve();
	exit(0);
}
//#STAY AT HOME