题解

#include<bits/stdc++.h>
using namespace std;
int a,b;
long long sum = 1;
int main () {
    cin >> a >> b;
    for(int i = 1;i <= b;i++){
       sum *= a;
       if(sum > 1000000000){
        cout << -1;
        return 0;
         }

    } 
   
   cout << sum <<"\n";
	return 0;
}