#include<stdio.h>
int main()
{
    int n,n1,n2,itr;
    scanf("%d",&n);
    if(n<0)
    {
        printf("Invalid Input");
        return 0;
        
    }
    for(itr=1;itr<=n;itr++){
        int ans= 1;
        scanf("%d%d",&n1,&n2);
        if(n1<0 || n2<0){
            printf("Invalid Input");
            return 0;
        }
    
    for(i=1;i<=n2;i++)
                ans =ans *  n1;
                printf("%d\n",ans);
                return 0;
    }
}