static int longestSubsequence(String s) {  
	    int point=0, len=0, maxlen=0;
	    char[] c = { 'a', 'e', 'i', 'o', 'u' };
	    
	    for(int i=0; i < s.length(); i++) {
	      //System.out.println(point);
	        if(point == 4) {
	          if(s.charAt(i) == c[point]) {
	            len++;            
	          } else {
	            System.out.println("maxx");
	            if(len > maxlen) maxlen=len+1;
	            point = 0;
	            len = 0;            
	          }
	          
	        } else if(s.charAt(i) == c[point]) {
	          len++;
	          
	        } else if(s.charAt(i) == c[point+1]) {
	          point++;
	          len++;
	        } else {
	          point = 0;
	          len = 0;
	        }      
	    }

	    if(len > maxlen) maxlen=len;
	    return maxlen;

	    
	  }      

      public static void CountVowelsSubstring(){
	    Scanner sc = new Scanner(System.in);
	    ArrayList<String> list = new ArrayList<>();
	    String s = sc.nextLine();
	    int len = s.length();
	    int count=0;
	    for(int i=0; i<len;i++) {
	      for(int j=i+1;j<=len;j++) {
	        String temp = s.substring(i,j);
	        if(!list.contains(temp)) {
	            list.add(temp); 
	      			for (int k = 0; k < temp.length(); k++) {
	      				char ch = temp.charAt(k);
	      				if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {         
	      				  count++;
	      				}
	      		  }          
	        }        
	      }
	    }

	    System.out.println(count);  
	    sc.close();
	    
	  }      
      
 

      public static void StViva() {
	    Scanner sc = new Scanner(System.in);
	    int n = sc.nextInt();
	    int prev =Integer.MAX_VALUE;
	    ArrayList<Integer> al = new ArrayList<>();
	    for(int i=0; i<n; i++) {
	      al.add(sc.nextInt());
	    }
	    int c = 0;
	    while(true) {
	      boolean flag = true;
	      for(int i=1; i<al.size(); i++) { 
	        
	        if(al.get(i) > prev ) {          
	          prev = al.get(i);
	          al.remove(i);
	          flag = false;
	          i--;
	          System.out.println("Delete: "+prev);
	        } else {
	          
	          prev = al.get(i);
	        }
	        System.out.println(i+"-"+prev);
	        
	      }
	      if(flag) {
	        break;
	      }else {
	        c++;
	      }
	    }
	    System.out.println(c);
	    sc.close();
	  }