#include<stdio.h>
#include<math.h>
double spellpower(int base, int power)
{
    double result=pow(base,power);
    return result;
}
int main()
{
    int base,power;
    double result;
    scanf("%d",&base);
    scanf("%d",&power);
    if (result=spellpower(base,power);
    (base>=-50 && base<=50)&& (power>=-10 && power<=10))
    printf("%.f",result);
    else
    {printf("invalid input");}
    return 0;
}