int countPerfectTeam(int a, int b, int c)
{
    int k =min(a,min(b,c));
    a -= k;
    b -= k;
    c -= k;
    if (a>0 && b>0){
        int d = max(a,b)-(max(a,b)/min(a,b))*min(a,b);
        if (d==0) a=a+b;
        else a -= d;
    } else a=0;
    return k + (a)/3;
}