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#include<stdio.h>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<iostream>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<bitset>
#include<utility>
#include<functional>
#include<iomanip>
#include<sstream>
#include<ctime>
#include<cassert>
using namespace std;
#define y0 y0z
#define y1 y1z
#define yn ynz
#define j0 j0z
#define j1 j1z
#define jn jnz
#define tm tmz
#define buli(x) (__builtin_popcountll(x))
#define bur0(x) (__builtin_ctzll(x))
#define bul2(x) (63-__builtin_clzll(x))
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fil(a,b) memset((a),(b),sizeof(a))
#define cl(a) fil(a,0)
#define siz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
#define foreach(it,a) for(__typeof((a).begin()) it=(a).begin();it!=(a).end();it++)
#define rep(i,a,b) for (int i=(a),_ed=(b);i<_ed;i++)
#define per(i,a,b) for (int i=(b)-1,_ed=(a);i>=_ed;i--)
#define forg(i,gu) for (int i=gu;~i;i=e[i].next)
#define pw(x) ((ll(1))<<(x))
#define upmo(a,b) (((a)=((a)+(b))%mo)<0?(a)+=mo:(a))
#define mmo(a,b) (((a)=1ll*(a)*(b)%mo)<0?(a)+=mo:(a))
void getre(){int x=0;printf("%d\n",1/x);}
void gettle(){int res=1;while(1)res<<=1;printf("%d\n",res);}
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
template<typename T,typename S>inline bool upmin(T&a,const S&b){return a>b?a=b,1:0;}
template<typename T,typename S>inline bool upmax(T&a,const S&b){return a<b?a=b,1:0;}
template<typename N,typename PN>inline N flo(N a,PN b){return a>=0?a/b:-((-a-1)/b)-1;}
template<typename N,typename PN>inline N cei(N a,PN b){return a>0?(a-1)/b+1:-(-a/b);}
template<typename N>N gcd(N a,N b){return b?gcd(b,a%b):a;}
template<typename N>inline int sgn(N a){return a>0?1:(a<0?-1:0);}
#if ( ( _WIN32 || __WIN32__ ) && __cplusplus < 201103L)
#define lld "%I64d"
#else
#define lld "%lld"
#endif
inline void gn(long long&x){
	int sg=1;char c;while(((c=getchar())<'0'||c>'9')&&c!='-');c=='-'?(sg=-1,x=0):(x=c-'0');
	while((c=getchar())>='0'&&c<='9')x=x*10+c-'0';x*=sg;
}
inline void gn(int&x){long long t;gn(t);x=t;}
inline void gn(unsigned long long&x){long long t;gn(t);x=t;}
inline void gn(double&x){double t;scanf("%lf",&t);x=t;}
inline void gn(long double&x){double t;scanf("%lf",&t);x=t;}
inline void gs(char *s){scanf("%s",s);}
inline void gc(char &c){while((c=getchar())>126 || c<33);}
inline void pc(char c){putchar(c);}
#ifdef JCVB
#define debug(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...)
#endif
typedef long long ll;
typedef double db;
inline ll sqr(ll a){return a*a;}
inline db sqrf(db a){return a*a;}
const int inf=0x3f3f3f3f;
//const ll inf=0x3f3f3f3f3f3f3f3fll;
const db pi=3.14159265358979323846264338327950288L;
const db eps=1e-6;
//const int mo=0;
//int qp(int a,ll b){int n=1;do{if(b&1)n=1ll*n*a%mo;a=1ll*a*a%mo;}while(b>>=1);return n;}

namespace myrand{
	// rand : [0,2^31)
	// randint : [-2^31,2^31)
	// randll : [-2^63,2^63)
	// randbit : 0,1
	unsigned int x[5]={107896582, 1107972621, 1195573091, 1224749359, 241825441};
	unsigned int get16(){
		unsigned long long tmp=(107374182ll*x[0]+104480ll*x[4]);
		unsigned int res=(tmp>>31)+(tmp&0x7fffffffu);
		x[0]=x[1],x[1]=x[2],x[2]=x[3],x[3]=x[4];
		return x[4]=res>=2147483647?res-2147483647:res;
	}
	void mysrand(unsigned int seed){
		for (int i=0;i<5;i++) seed=(seed+1)%2147483647,x[i]=seed;
		for (int i=0;i<5;i++) get16();
	}
	int randint(){
		int res=0;
		res+=int(get16());
		res+=int(get16())<<16;
		return res;
	}
	long long randll(){
		long long res=0;
		res+=(long long)(get16());
		res+=(long long)(get16())<<16;
		res+=(long long)(get16())<<32;
		res+=(long long)(get16())<<48;
		return res;
	}
	int randbit(){
		return ((get16())>>7)&1;
	}
	int myrand(){
		int x=randint();
		if(x<0)return ~x;
		return x;
	}
	template<typename RandomAccessIterator>void my_randomshuffle(RandomAccessIterator first,RandomAccessIterator last){
		int n=last-first;
		for (int i=1;i<n;i++){
			int to=myrand()%(i+1);
			swap(first[to],first[i]);
		}
	}
#define rand myrand::myrand
#define randll myrand::randll
#define srand myrand::mysrand
#define random_shuffle myrand::my_randomshuffle
};



const int N = 555555;
int n,m;
int uu[N],vv[N];

vi cheid[N];

int dfn[N],low[N],tim;
int par[N];
int stk[N],top;
int parbridge[N];

ll totwei[N];
int totcnt[N];

void dfs(int u,int peid) {
	dfn[u]=low[u]=++tim;
	stk[++top]=u;
	rep(j,0,siz(cheid[u])) {
		int eid=cheid[u][j];
		if(eid==peid)continue;
		int v=uu[eid]+vv[eid]-u;
		if(!dfn[v]) {
			par[v]=u;
			dfs(v,eid);
			totwei[u]^=totwei[v];
			totcnt[u]+=totcnt[v];
			low[u]=min(low[u],low[v]);
			if(low[v]==dfn[v]) {
				parbridge[v]=1;
			}
		}else {
			low[u]=min(low[u],dfn[v]);
			if(dfn[v]<dfn[u]) {
				ll w = randll();
				totwei[u]^=w;
				totwei[v]^=w;
				totcnt[u]+=1;
				totcnt[v]-=1;
			}
		}
	}
}
ll gaogao() {
	tim=0;
	top=0;
	rep(u,1,n+1){
		dfn[u]=0;
		par[u]=0;
		totwei[u]=0;
		totcnt[u]=0;
		parbridge[u]=0;
	}
	int conn=0;
	rep(u,1,n+1)if(!dfn[u]) {
		dfs(u,-1);
		conn++;
	}
	if(conn>=2) {
		return (m-2);
	}
	ll ret=0;
	int cntbridge=0;
	rep(u,1,n+1)if(parbridge[u])cntbridge++;
	return cntbridge;
}
map<ll,int> mama;
ll gao() {
	tim=0;
	mama.clear();
	top=0;
	rep(u,1,n+1){
		dfn[u]=0;
		par[u]=0;
		totwei[u]=0;
		totcnt[u]=0;
		parbridge[u]=0;
	}
	int conn=0;
	rep(u,1,n+1)if(!dfn[u]) {
		dfs(u,-1);
		conn++;
	}
	if(conn>=2) {
		return 1ll*(m-1)*(m-2)/2;
	}
	ll ret=0;
	int cntbridge=0;
	rep(u,1,n+1)if(parbridge[u])cntbridge++;
	ret += 1ll*(m-1)*(m-2)/2 - 1ll*(m-1-cntbridge)*(m-1-cntbridge-1)/2;
	rep(u,1,n+1)if(totcnt[u]==1) {
		ret++;
	}
	per(i,1,n+1){
		if(parbridge[i])continue;
		mama[totwei[i]]++;
	}
	foreach(it,mama) {
		ret += 1ll*(it->se ) * ((it->se)-1)/2;
	}
	return ret;
}
int main()
{
#ifdef JCVB
	//freopen("1.in","r",stdin);
	//freopen("1.out","w",stdout);
	int _time_jc=clock();
#endif
	srand(233);
	gn(n);gn(m);
	rep(i,1,m+1) {
		gn(uu[i]);
		gn(vv[i]);
	}
	ll ret=0;
	rep(i,1,m+1) {
		rep(u,1,n+1)cheid[u].clear();
		rep(j,1,m+1)if(j!=i){
			cheid[uu[j]].pb(j);
			cheid[vv[j]].pb(j);
		}
		ll re = gao();
		//cout<<i<<" "<<re<<endl;
		ret+=re;
	}
	cout<<ret/3<<endl;
	/*ret=0;
	rep(i,1,m+1) {
		ll re=0;
		rep(j,1,m+1)if(j!=i) {	
			rep(u,1,n+1)cheid[u].clear();
			rep(k,1,m+1)if(k!=i && k!=j){
				cheid[uu[k]].pb(k);
				cheid[vv[k]].pb(k);
			}
			re+=gaogao();
		}
		re/=2;
		cout<<i<<" "<<re<<endl;
		ret+=re;
	}
	cout<<ret/3<<endl;*/
#ifdef JCVB
	debug("time: %d\n",int(clock()-_time_jc));
#endif
	return 0;
}