题解

#include<bits/stdc++.h>
using namespace std;
int main(){
	//freopen("first.in","r",stdin);
	//freopen("first.out","w",stdout);
	int a,b;
	scanf("%d%d",&a,&b);
	if(a==1){
		printf("1");
		return 0;
	}
	int sum=a;
	for(int i=2;i<=b;i++){
		sum=sum*a;
		if(sum>1000000000||sum<=0){
			printf("-1");
			return 0;
		}
	}
	printf("%d",sum);
	//fclose(stdin);
	//fclose(stdout);
	return 0;
}