powerFunction.text

/*Take two integers,n and p ,print the integer result of n^p.
If either n or p is negative,print "n and p should be non-negative."*/


import java.util.*;
import java.io.*;
class Calculator
{
    int n;
    int p;
     int power(int n, int p) throws Exception
     {
         if(n<0 || p<0)
         {
             throw new Exception("n and p should be non-negative");
         }
         else
         {
            int ans = 1;
             for(int i =1; i<=p; i++)
             {
                 ans = ans*n;
             }
             return ans;
         }
     }
         
}
class Solution{

    public static void main(String[] args) {
    
        Scanner in = new Scanner(System.in);
        int t = in.nextInt();
        while (t-- > 0) {
        
            int n = in.nextInt();
            int p = in.nextInt();
            Calculator myCalculator = new Calculator();
            try {
                int ans = myCalculator.power(n, p);
                System.out.println(ans);
            }
            catch (Exception e) {
                System.out.println(e.getMessage());
            }
        }
        in.close();
    }
}