Three-digit number
Very easy
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
The program should read an integer N from the console. It should output Ok if N is a three-digit number, and No otherwise.
Input
A single integer.
Output
The result of the evaluation.
Examples
Input #1
Answer #1
Input #2
Answer #2
Submissions 14K
Acceptance rate 38%