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

#include<bits/stdc++.h>
using namespace std;
char z[110][110];
int m,n;
int foo(int x,int y)
{
	int a=0;
	for(int i=x-1;i<=x+1;i++) for(int j=y-1;j<=y+1;j++) if(z[i][j]=='*') a++;
	return a;
}
int main()
{
	cin >> n >> m ;
	for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) cin >> z[i][j] ;
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			if(z[i][j]=='*') cout << '*' ;
			else cout << foo(i,j);
		}
		cout << endl ;
	} 
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
char a;
int shiyi,ershiyi,shiyiduishou,ershiyiduishou,ershiyijifen[1000010],ershiyiduishoujifen[1000010],o=1,ershiyijieguo,ershiyiduishoujieguo,shiyijieguo,shiyiduishoujieguo;
int main()
{
	for(;a!='E';)
	{
		cin >> a ;
		if(a=='W') shiyi++,ershiyi++;
		if(a=='L') shiyiduishou++,ershiyiduishou++;
		if(shiyi>=11&&shiyi-shiyiduishou>=2)
		{
			cout << shiyi << ':' << shiyiduishou << endl ;
			shiyi=0,shiyiduishou=0;
			shiyijieguo++;
		}
		if(shiyiduishou>=11&&shiyiduishou-shiyi>=2)
		{
			cout << shiyi << ':' << shiyiduishou << endl ;
			shiyi=0,shiyiduishou=0;
			shiyiduishoujieguo++;
		}
		if(ershiyi>=21&&ershiyi-ershiyiduishou>=2)
		{
			ershiyijifen[o]=ershiyi;
			ershiyiduishoujifen[o]=ershiyiduishou;
			ershiyijieguo++,o++;
			ershiyi=0,ershiyiduishou=0;
		}
		if(ershiyiduishou>=21&&ershiyiduishou-ershiyi>=2)
		{
			ershiyijifen[o]=ershiyi;
			ershiyiduishoujifen[o]=ershiyiduishou;
			ershiyiduishoujieguo++,o++;
			ershiyi=0,ershiyiduishou=0;
		}
	}
	cout << shiyi << ':' << shiyiduishou << endl ;
	for(int i=1;i<o;i++) cout << ershiyijifen[i] << ':' << ershiyiduishoujifen[i] << endl;
	cout << ershiyi << ':' << ershiyiduishou << endl ;
	return 0;
}