#include <stdio.h>

int powerUsingPointers(int base,int exp)
{
    int resultArray[50];
    int *ptr = resultArray;
    *ptr = 1;
    
    for (int i = 1; i <= exp; i++){
        *(ptr + i) = *(ptr + i - 1) * base;
    }
    
    return * (ptr + exp);
}

int main() {
    int n;
    scanf("%d", &n);
    
    if (n < 0) {
        printf("Invali Input");
        return 0;
    }
    
    for (int i =0; i < n; i++) {
        int b, e;
        scanf("%d %%d, &b ,&e");
        
        if (b < -10 || b > 10 || e < 0 || e > 0) {
            printf("Invalid Input\n");
            continue;
        }
    
    int result = powerUsingPointers(b, e);
    printf("%d\n", result);
}

return 0;
}