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EIVCHR1 - Voucher 1

On Singles day, every guests of Phuc’s Store will receive 30% discount (maximum 50 thousands VND). Hoa willing to buy some items at the store. The total cost is N VND. How much does she need to pay?

Input

A single integer N (1000 ≤ N ≤1018), N is divisible by 1000.

Output

The amount of money Hoa need to spend on items.

Sample

Input

Output

100000

70000

200000

150000


Added by:Ha Minh Ngoc
Date:2020-11-17
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
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