>  #include<iostream.h>
> long jc(long a,long n);
> int main()
> {
> 	long b,n;
> 	cin>>b>>n;
> 	while(b!=0&&n!=0)
> 	{
> 	 
> 		for(long a=0;a<=1000000;a++)
> 		{
> 			if(jc(a,n)>b)
> 			{
> 				if((b-jc(a-1,n))>(jc(a,n)-b))
> 				{
> 					cout<<a<<endl;
> 				}
> 				else 
> 					cout<<a-1<<endl;
> 				break;
> 			}
> 		
> 		}
> 		cin>>b>>n;
> 	}
> 	return 0;
> }
> 
> long jc(long a,long n)
> {
> 	long sum=1;
> 	for(long i=0;i<n;i++)
> 	{
> 		sum=sum*a;
> 	}
> 	return sum;
> }