Square of a Number
Read an integer and print its square.
Input format
A single line with one integer N.
Output format
Print N * N, the square of N. The result can be large, so use a 64-bit integer type (long in Java, long long in C++).
Constraints
- Values fit in a 64-bit signed integer
- Trailing whitespace and a trailing newline are ignored by the judge
Read from stdin, write to stdout. Sample cases below show the exact format.
Sample cases
Example 1
Input
5Expected output
25Example 2
Input
12Expected output
144