Stuck Numbers

import java.io.StreamCorruptedException;
import java.util.Scanner;


public class Program4 {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int n = input.nextInt();
		input.nextLine();
        String [] inLine = input.nextLine().split(" ");

        boolean count = true;
        

        
        for (int i = 0; i < inLine.length; i++) {
			for (int j = 0; j < inLine.length; j++) {
				for (int j2 = 0; j2 < inLine.length; j2++) {
					for (int k = 0; k < inLine.length; k++) {
						if ((inLine[i]!=inLine[j] && inLine[j] != inLine[j2] &&
								inLine[j2]!=inLine[k]&&inLine[i]!=inLine[j2] && inLine[j] != inLine[k] &&
										inLine[i]!=inLine[k]) &&( (inLine[i]+inLine[j]).equals(inLine[j2]+inLine[k]))){
						System.out.println(inLine[i]+"|"+inLine[j]+"=="+inLine[j2]+"|"+inLine[k]);
						count = false;
					}
					}
					
			}
		}
	}
        if (count) {
			System.out.println("No");
		}
	}
}