using System;
public class Program
{
public static void Main(int num)
num= int.Parse(Console.ReadLine());
int digit1 = num%10;
int digit2 = digit1;
while(num!=0)
digit1= num%10;
if(digit1==digit2)
digit1=digit2;
}
else
Console.WriteLine(false) ;
num/=10;
Console.WriteLine(true) ;