//25c
        do
        {
            printf("%d\n",change);
            change = (cash -= 25);
            if (change >= 25)
            {
            coins ++;
            }
            else
            {}
        }
        while(change >= 25);

        //10c
        do
        {
            printf("%d\n",change);
            change = (cash -= 10);
            if (change >= 10)
            {
            coins ++;
            }
            else
            {}
        }
        while(change >= 10);