Square a Number

Return n multiplied by itself. The square of a negative number is positive.

Implement square_number(n).

Input

n: Any integer in the allowed range.

Output

Return n × n.

सीमाएँ

−3,000,000,000 ≤ n ≤ 3,000,000,000, so the square fits a signed 64-bit integer.

उदाहरण

इनपुट:
n = 12

अपेक्षित आउटपुट:
expected = 144

इनपुट:
long long n = 12;

अपेक्षित आउटपुट:
long long expected = 144;

इनपुट:
long n = 12;

अपेक्षित आउटपुट:
long expected = 144;

इनपुट:
n = -7

अपेक्षित आउटपुट:
expected = 49

इनपुट:
long long n = -7;

अपेक्षित आउटपुट:
long long expected = 49;

इनपुट:
long n = -7;

अपेक्षित आउटपुट:
long expected = 49;