n,m=map(int,input().split())
l=[set()for _ in[0]*n]
for _ in[0]*m:
	a,b=map(int,input().split())
	l[a].add(b)
	l[b].add(a)
s=0
for i in range(n):
	a=[i]
	for j in l[i]:
		b=a+[j]
		for k in l[j]:
			if k in b:continue
			c=b+[k]
			for o in l[k]:
				if o in c:continue
				if i not in l[o]:continue
				d=c+[o]
				if i in l[k] or j in l[o]:continue
				s+=1
print(s//8)