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Problem G
Fimmtudagstilboð

Languages en is
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Hafliði has been a regular at Mahjong Pizza’s Thursday-offer since its debut in 1993. The offer consists of a single pizza with two toppings for $1\, 000$ ISK, that is until January 2021 when it increased by $100$ ISK and has done so every year since. Hafliði wants you to write a program that tells him how much the offer costs in the year $y$ given this pattern.

Input

First and only line contains a single integer $y$.

Output

Write a single line containing the price of a Thursday-offer in the year $y$.

Scoring

Group

Points

Constraints

1

20

$y = 2\, 020$

2

20

$2\, 020 \leq y \leq 2\, 024$

3

30

$2\, 020 \leq y \leq 9\, 999$

4

30

$1\, 993 \leq y \leq 9\, 999$

Sample Input 1 Sample Output 1
2020
1000
Sample Input 2 Sample Output 2
2024
1400