// Palindrome is a string that is the same forward and backward
package main
import (
	"bufio"
	"fmt"
	"os"
)
func main() {
	scanner := bufio.NewScanner(os.Stdin)
	for scanner.Scan() {
		if len(scanner.Text()) > 3 {
			fmt.Println(Palindrome(scanner.Text()))
		} else {
			fmt.Println("Input string too short")
		}
	}
	if scanner.Err() != nil {
		fmt.Fprintln(os.Stderr, "Error reading console input")
	}
}

/*
Package palindrome is for finding palindromes
*/
package palindrome

// Returns the longest palindrome in str

// Single searches for the longest palindrome in the input string.

func palindrome_single(str string) string {

func Single(str string) string {

// Returns the longest palindrome in str

// Concurrent returns the longest palindrome in str

func Palindrome(str string) string {

func Concurrent(str string) string {