void IDName(int a)
{
	int Flag = 0, counter = 0, i, max = 0;
	char ID;
	while (Flag == 0)
	{
		fflush(stdin);
		if (a == ID_1)
		{
			max = 9;
			printf("Please Insert your ID(your ID must be consisting of 9 numbers between 0-9\n");
		}
		else if (a == INDEX_1)
		{
			max = 4;
			printf("Please Insert your Last 4 Credit Card digits(The Number must be consisting of 4 numbers between 0-9\n");
		}
		ID = getchar();
		fflush(stdin);
		for (i = 0; i < max; i++)
		{

			if (ID >= '0' && ID <= '9')
			{
				ID = getchar();
				fflush(stdin);
			}

			else counter++;
		}
		if (counter == 0) Flag = 1;
		else counter = 0;


	}
}