题解

#include<bits/stdc++.h>
using namespace std;

int main()
{
int a,b;
cin >> a;
cin >> b;
long long mul=1;
for (int i=1;i<=b;i++)
{
mul=mul*a;
if (mul>1000000000)
{
cout << "-1" << endl;
return 0;
}
}
cout << mul << endl;
return 0;
}