Perfect Square

Problem Statement

Input Format

A single integer N.

Output Format

Print 'Yes' if N is a perfect square, otherwise 'No'.

Constraints

0 <= N <= 1000000000

Sample Input

49

Sample Output

Yes

Explanation

49 is 7 * 7, so it is a perfect square.

Starter Code

#include <stdio.h>
#include <math.h>

int main() {
    long long n;
    if (scanf("%lld", &n) == 1) {
        // Write your code here
    }
    return 0;
}

Limits

• Time Limit: 1s
• Memory Limit: 256MB