View Code of Problem 7

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		while(sc.hasNext()){
			int a=sc.nextInt();
			System.out.println();
			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("UNKNOW");
					}
				}
				
				System.out.println();
				
				a--;
			}
		}
	}
}

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