View Code of Problem 7

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		int a=sc.nextInt();
		while(a>0){
			int b=sc.nextInt();
			int arr[][]=new int[b][2]; 
			for(int i=0;i<b;i++){
				String c[]=sc.next().split("=");
				arr[i][0]=Integer.parseInt(c[0]);
				arr[i][1]=Integer.parseInt(c[1]);
			}
			int c=sc.nextInt();
			int x[]=new int[c];
			for(int i=0;i<c;i++){
				x[i]=sc.nextInt();
			}
			for(int i=0;i<c;i++){
				int y=0;
				for(int j=0;j<b;j++){
					if(arr[j][0]==x[i]){
						System.out.println(arr[j][1]);
						y++;
						break;
					}	
					if(arr[j][1]==x[i]){
						System.out.println(arr[j][0]);
						y++;
						break;
					}
				}
				if(y==0){
					System.out.println("UNKNOWN");
				}
			}
			System.out.println();
			a--;
		}
	}
}

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