{% url 'users:profile' as profile_page_url %} {% url 'users:profile_edit' as profile_edit_page_url %} Kvadratni yuzi

Kvadratni yuzi

Kvadratning a tomoni berilgan, mana shu kvadratning yuzini hisoblovchi dastur tuzing.

Input Format

Bir qatorda a ning -10^6 <= a <= 10^6 qiymati beriladi.

Output Format

Bir qatorda kvadratning yuzini hisoblab chop eting

Sample Input

5

Sample Output

25
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