#include <bits/stdc++.h>
#define maxN 65537
#define maxM 4097
using namespace std;
int a[maxM][maxM/32], v[maxN], w[maxN];
int n, m, i, j, sol;
class InputReader
{
public:
    InputReader() {}
    InputReader(const char *file_name)
    {
        input_file = fopen(file_name, "r");
        cursor = 0;
        fread(buffer, SIZE, 1, input_file);
    }
    inline InputReader &operator >>(int &n)
    {
        while(buffer[cursor] < '0' || buffer[cursor] > '9')
        {
            advance();
        }
        n = 0;
        while('0' <= buffer[cursor] && buffer[cursor] <= '9')
        {
            n = n * 10 + buffer[cursor] - '0';
            advance();
        }
        return *this;
    }
private:
    FILE *input_file;
    static const int SIZE = 1 << 17;
    int cursor;
    char buffer[SIZE];
    inline void advance()
    {
        ++ cursor;
        if(cursor == SIZE)
        {
            cursor = 0;
            fread(buffer, SIZE, 1, input_file);
        }
    }
};
int cnt(int x)
{
    int s = 0;
    while(x)
        s++, x = x&(x-1);
    return s;
}
int main()
{
    freopen("triplete.out", "w", stdout);
    InputReader f("triplete.in");
    f >> n >> m;
    for(i = 1; i <= m; i++)
    {
        f >> v[i] >> w[i];
        if(v[i] > w[i]) swap(v[i], w[i]);
        a[v[i]][w[i]/32] = a[v[i]][w[i]/32] + (1<<(w[i]%32));
    }
    int aux = n/32;
    for(i = 1; i <= m; i++)
        for(j = 0; j <= aux; j++)
            sol += cnt(a[v[i]][j] & a[w[i]][j]);
    printf("%d", sol);
    return 0;
}