import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int q = sc.nextInt(); long[] sums = new long[n + 1]; ArrayList idxes = new ArrayList<>(); idxes.add(0); for (int i = 1; i <= n; i++) { sums[i] = sums[i - 1] + sc.nextInt(); idxes.add(i); } StringBuilder sb = new StringBuilder(); while (q-- > 0) { int type = sc.nextInt(); int left = sc.nextInt(); int right = sc.nextInt(); if (type == 1) { for (int i = 0; i < right - left; i++) { idxes.remove(left); } } else { sb.append(sums[idxes.get(right)] - sums[idxes.get(left - 1)]).append("\n"); } } System.out.print(sb); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }