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
rangeOfNum = 1000000

primes = []
sieve = [True]*(rangeOfNum+1)
sieve[0] = False
sieve[1] = False
p = 2
while (p*p <= rangeOfNum):
    if(sieve[p] == True):
        for i in range(p+p, rangeOfNum+1, p):
            sieve[i] = False
    p += 1

# for i in range(rangeOfNum+1):
#     if(sieve[i] == True):
#         primes.append(i*i)

def binSearch(lower,upper,numList,num):
    if(upper>=lower):
        mid = int(lower+(upper-lower)/2)
        if(numList[mid]==num):
            return mid
        elif(numList[mid]>num):
            return binSearch(lower,mid-1,numList,num)
        else:
            return binSearch(mid+1,upper,numList,num)
    else:
        return -1


n = int(input())
for num in input().split():
    root = math.sqrt(int(num))
    if(int(root + 0.5) ** 2 == int(num)):
        root = int(root)
        if(sieve[root] == False):
            print('NO')
        else:
            print('YES')
    else:
        print('NO')