import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int q = sc.nextInt();
        int[] counts = new int[n + 1];
        Set<Integer> places = new HashSet<>();
        for (int i = 1; i <= n; i++) {
            counts[i] = counts[i - 1];
            int x = sc.nextInt();
            if (x == 9) {
                counts[i]++;
            } else if (x == 1) {
                places.add(i);
            }
        }
        String result = IntStream.range(0, q).mapToObj(aa -> {
            int left = sc.nextInt();
            int right = sc.nextInt();
            long ans = counts[right] - counts[left - 1];
            for (int x : places) {
                if (x >= left && x <= right) {
                    ans += right - x;
                }
            }
            return String.valueOf(ans);
        }).collect(Collectors.joining("\n"));
        System.out.println(result);
    }
}

class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");

    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}