n,m = gets.chomp.split.map(&:to_i)
e=(0...n).map{|x| [x, []]}.to_h
m.times.map {
  u,v=gets.split.map(&:to_i)
  e[u] << v
  e[v] << u
}
ans=0
(0...n).to_a.combination(4) {|xs|
  u = xs[0]
  rest = xs[1..-1]
  rest.permutation(3) { |ys|
    next unless e[u].index ys[0]
    next unless e[ys[0]].index ys[1]
    next unless e[ys[1]].index ys[2]
    next unless e[ys[2]].index u
    next if e[u].index ys[1]
    next if e[ys[0]].index ys[2]
    ans+=1
  }
}
p ans/2