#include<stdio.h>
#include<math.h>
int main()
{
	int a,n;
	long b;
	double a1,b1,n1;
	while(scanf("%ld%d",&b,&n)!=-1)
	{
		if(n==0&&b==0)
			break;
		else
		{
			n1=1.0/n;
			b1=b;
			a1=pow(b1,n1);
			a=(int)(a1-0.6);
			printf("%d\n",a+1);
		}
	}
	return 0;
}