public static int howManyGames(int p, int d, int m, int s) { // Return the number of games you can buy

    int n=0;        

    while(s-p>=0)
    {            
        n++;
        s-=p;            
        p-=d;

        if(p<=m)
        {
            p=m;
        }      
    }

    return n;
}