/*
TEST DATA

5
1 5 7 9 10
9

5
1 5 7 9 10
8

*/

// Run by Node.js

// Run by Node.js

const readline = require("readline");
const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});

let countLine = 0;
let arrSize = 0;
let arr = [];
let num = 0;

function search() {

	let low = 0;
	let high = arrSize-1;
	let mid = 0;
	let check = 0;
	
	while ( (answer = 'X') && low <= high ) {
		mid = Math.floor((low + high)/2);
		check = parseInt(arr[mid]);
		if (check == num) { 
			return mid+1;
		}	else if (check > num ) { 
			high = mid-1;
		}	else {
			low = mid+1;
		}
	}
	return 'X';
}

rl.on("line", function(line) {
	
 	if (countLine == 0) {arrSize = line; countLine += 1; return;}
 	if (countLine == 1) {
		arr = line.split(' ');
		arr = arr.sort((a,b)=> {return a-b;}); 
		countLine += 1;
		return;
	} 
 	if (countLine == 2) {
 		num = parseInt(line);
		console.log(search());
 	}
	rl.close();
}).on("close", function() {
	process.exit();
});

/*
TEST DATA

5
2 6 8 9 10
2 4

4
555 392 1823 234951
2 4

*/

// Run by Node.js

const readline = require("readline");
const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});

let countLine = 0;
let arr = [];
let start = 0;
let end = 0;
let answer = 0;

rl.on("line", function(line) {
	
	if (countLine == 0) {
		countLine += 1; 
		return;
	}
	if (countLine == 1) {
		arr = line.split(' '); 
		countLine += 1; 
		return;
	}
	if (countLine == 2) {
		start = parseInt(line.split(' ')[0]); 
		end = parseInt(line.split(' ')[1]); 
		
		while (start <= end)  {
			answer += parseInt(arr[start-1]);
			start++;
		}
	}
	console.log(answer);
	
	rl.close();
}).on("close", function() {
	process.exit();
});

//TEST DATA로 했을땐 성공했는데 제출시 오답처리되었다..오류케이스 고민..ㅠ


/*
TEST DATA

5 4
2 3 6 7 8
1 8 9 11

5 4
1 2 3 4 5
6 7 8 9

*/


// Run by Node.js

const readline = require("readline");
const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});

let countLine = 0;
let arr1 = [];
let arr2 = [];

rl.on("line", function(line) {
	if (countLine == 0) {
		countLine += 1; 
		return;
	}
	if (countLine == 1) {
		arr1 = line.split(' '); 
		countLine += 1; 
		return;
	}
 	if (countLine == 2) {
		arr2 = line.split(' '); 
		arr1 = arr1.concat(arr2).sort((a,b)=>{return a-b;});
		console.log(arr1.toString().replace(/,/g,' '));
	}

	rl.close();
}).on("close", function() {
	process.exit();
});