#include<bits/stdc++.h>
using namespace std;
string fz(string a){
    string b;
    b+=a[a.length()-1];
    for(long long int i=0;i<a.length()-1;i++){
		b+=a[i];
	}
    return a+b;
}int main(){
    string c;
    cin>>c;
    long long int d;
    cin>>d;
    while(c.length()<d){
        c=fz(c);
    }cout<<c[d-1]<<endl;
    return 0;
}

敢问这道题怎么回事，为啥60分？？？？