import java.util.*;
class Main{
    public static void main (String[] args) {
        Scanner sc=new Scanner(System.in);
        int [] arr1={5,4,6,6,7,7,3};
        int [] arr2={3,4,7,7,7};
        HashMap<Integer,Integer> map=new HashMap<>();
        for(int i=0;i<arr1.length;i++){
            map.put(arr1[i],map.getOrDefault(arr1[i],0)+1);
        }
 
        boolean subset=true;
       for(int num:arr2){
           if(!map.containsKey(num)||map.get(num)==0){
               subset=false;
               break;
           }else{
               map.put(num,map.get(num)-1);
           }
       }
        if(subset){
            System.out.println("subset");
        }else{
            System.out.println("not subset");
        }
    }
}

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