#include <iostream>
using namespace std;

int main() {

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

    int m;
    cin >> m;

    // write your code here......
    char s[31];
    char *p=&str[m-1];
    int i=0;
    while(*p)
        s[i++]=*p++;
    s[i]='\0';
    printf("%s",s);
    return 0;
}