Task #M047B

Memory 16 MB Time 1000 ms Complexity 1 %

#Oson

#Matematika

Author: Qarshiyev Asadbek

Juft karrali

Sizga n soni beriladi. Uning eng kichik juft karralisini toping.

Input:

Kirish faylida 1000 dan oshmaydigan natural son beriladi.

Output:

Chiqish faylida berilgan sonning eng kichik juft karralisi yagona natural sonni chop eting.

Examples

#	input.txt	output.txt
1	61	122
2	362	362

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