import java.util.*;
import java.io.*;
public class CodingBat {
public boolean sameStarChar(String str) {
int i = 1;
while (i<str.length()-1) {
if (str.substring(i,i+1).equals("*")) {
if (str.substring(i-1,i).equals(str.substring(i+1,i+2)))
i = i + 1;
else
return false;
}
else
i = i + 1;
}
return true;
}
public String sameEnds(String string) {
String result = "";
int i = 0;
int j = string.length() / 2;
string = string + " ";
for
while (i<j) {
if (string.substring(i,i+1).equals(string.substring(j,j+1))) {
result = result + string.substring(i,i+1);
i++;
j--;}
else
return result;
}
return result;
}
}