#include<bits/stdc++.h>
using namespace std;
string s,a;
long long n;
string temp;
int main(){
	cin>>a>>n;
	s=" ";
	s+=a;
	while((long long)s.length()-1<n){
		for(long long unsigned int i=0;i<a.length()-1;i++){
			swap(a[i],a[i+1]);
		}
		s+=a;
	}
	cout<<s[n];
}