#include<stdio.h>
int main()
{
    int n,num1,num2,itr,i;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid Input");
        return 0;
    }
    for(itr=1;itr<=n;itr++){
        int ans = 1;
        scanf"%d%d",&num1,&num2;
        if(num1<0 || num2<0){
            printf("Invalid Input");
            return 0;
        }
        for(i=1;i<=num2;i++)
        ans = ans * num1;
        printf("%d\n",ans);
    }
    return 0;
    
}