#include<stdio.h>
#include<math.h>
int main()
{
int i,j,k,l=0,n,m;
scanf("%d",&n);
scanf("%d",&k);
m=n;
do{m/=10;
l++;
}while(m);
if(k>0&&k<=l)
printf("%d",n/(int)pow(10,l-k));
if(k<0&&-k<=l)printf("%d",n%(int)pow(10,-k));
if(k==0)printf("%d",n);
if(abs(k)>l)printf("Error");
return 0;
}