#include<bits/stdc++.h>
using namespace std;
unsigned long long x,n,sum=1;
int main(){
	scanf("%llu",&x);
	scanf("%llu",&n);
	for(int i=1;i<=n;i++){
	    sum=sum+sum*x;
	}
	printf("%llu",sum);
    return 0;
}
//十年OI一场空，不开 unsigned long long见祖宗
//这道题做了好久