import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class num_1259 { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringBuilder sb = new StringBuilder(); while(true) { String N = br.readLine(); if(N.equals("0")) break; if(N.length()==5) if(N.charAt(4)==N.charAt..