#include <iostream>
using namespace std;

int main() {

    char str[30] = { 0 };
    cin.getline(str, sizeof(str));

    int m;
    cin >> m;

    // write your code here......

    string s1 = str;
    string s2 = s1.substr(m-1, s1.size());
    
    cout<<s2<<endl;

    

    return 0;
}