import java.io.*;
import java.util.*;

public class failid{
	public static void main(String argumendid[]) throws IOException{
	
    int i; //faili number
    int j; //võrdluse koht
    String k=null; //Info kogum
    
		File kataloog=new File("."); // . on jooksev kataloog
   		 String fail[]=kataloog.list();
		int[] sisu=new int[500];
		   	for(i=0;i<fail.length; i++){
				DataInputStream sisse=new DataInputStream(
					new FileInputStream(fail[i])
    			);
    				sisu[i]=sisse.readInt();
    				System.out.println(sisu[i]);
    				System.out.println(fail[i]);
    			sisse.close();
		   	}
			
			i=0;
			while(i<fail.length){
				for(j=i+1;j<fail.length;j++){
					if(sisu[i]==sisu[j])
						k=k+"\n"+"Samasugused on failid "+fail[i]+" & "+fail[j]+"\n";

				}
			i++;
			}
			
			if(k!=null){
			System.out.println(k);			
			}else{
			System.out.println("Pole ühesuguseid faile");
			}
	}
}