int count_ss = 120;
long long int f(long long int a, long long int b)
{
    long long int i_S[20][3] = {{2,3,2},{0,1,1},{0,-1,1},{1,-200000000,1},{1,200000000,1},{0,0,1},{15,1231542,15241},{15,-1231542,15241},{5,12542,-141},{5,-12542,141},{0,5,10},{10,1242,11},{10,-12,152},{5,12,-141},{5,-12,141},{2,2,0},{1,2,1},{1,6,9},{4,4,1},{9,6,1}};

    if( count_ss-- >= 0 ){
         return i_S[a][0]*b*b+i_S[a][1]*b+i_S[a][2];
    }else return 0;
}