Problem: We know that prime numbers are positive integers that have exactly two distinct positive divisors. Similarly, we'll call a positive integer t Т-prime, if t has exactly three distinct positive divisors.

You are given an array of n positive integers. For each of them determine whether it is Т-prime or not.

Input

The first line contains a single positive integer, n (1 ≤ n ≤ 105), showing how many numbers are in the array. The next line contains n space-separated integers xi (1 ≤ xi ≤ 1012).

Please, do not use the %lld specifier to read or write 64-bit integers in С++. It is advised to use the cin, cout streams or the %I64d specifier.

Output

Print n lines: the i-th line should contain "YES" (without the quotes), if number xi is Т-prime, and "NO" (without the quotes), if it isn't.

Examples

Input

3
4 5 6


Output

YES
NO
NO

Note

The given test has three numbers. The first number 4 has exactly three divisors — 1, 2 and 4, thus the answer for this number is "YES". The second number 5 has two divisors (1 and 5), and the third number 6 has four divisors (1, 2, 3, 6), hence the answer for them is "NO".

Solution (in PYTHON3):

Solution:
import math

def prime(k):
    if(k<=1):
        return False
    if(k<=3):
        return True
    if(k%2==0 or k%3==0):
        return False
    i=5
    while i*i<=k:
        if(k%i==0 or k%(i+2)==0):
            return False
        i+=6
    return True
        
n=int(input())
l=list(map(int,input().split()))
for j in l:
    if(j==1):
        print("NO")
        continue
    k=math.sqrt(j)
    if(k-math.floor(k)==0):
        k=int(k)
        if(prime(k)):
            print("YES")
        else:
            print("NO")
    else:
        print("NO")