A company maintains information about its orders in table called ORDERS. Write a query to find the CUSTOMER_ID of the customer who has placed the largest number of orders. If there is more than one customer with the same number of orders, then print the one with the smallest CUSTOMER_ID.

 

Input Format

ORDERS
Name	Type	Description
ID	Integer	A number in the inclusive range [1, 1000] which uniquely identifies the order. This is the primary key.
ORDER_DATE	Date	The date when the order was placed.
STATUS	String	This is the order status. It can be PLACED, SHIPPED, IN TRANSIT, DELIVERED.
CUSTOMER_ID	Integer	A number in the inclusive range [1, 1000] which uniquely identifies the customer who placed the order.

 

Output Format

The output of the query should be the CUSTOMER_ID from the ORDERS table for the customer who has placed the largest number of orders. If there is more than one customer with the same number of orders, then print the one with the smallest CUSTOMER_ID.

ORDERS.CUSTOMER_ID

 

Sample Input

ORDERS
ID	ORDER_DATE	STATUS	CUSTOMER_ID
1	2003-01-06	PLACED	363
2	2003-01-06	PLACED	128
3	2003-01-06	IN TRANSIT	121
4	2003-01-06	DELIVERED	121
5	2003-03-06	PLACED	128

 

Sample Output

121

 

Explanation

The CUSTOMER_IDs 121 and 128 have placed the largest number of orders i.e two orders. The smaller CUSTOMER_ID is121.