import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class RepeatedString {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
String s = in.next();
long n = in.nextLong();
int l = s.length();
char c[]=s.toCharArray();
int no[]=new int[l];
no[0]=0;
if(c[0]=='a')
no[0]=1;
for(int i=1;i