#include <string>
#include <bits/stdc++.h>
using namespace std;
 
int main() {
 
  int n,q;//n:number of empolyees hires//q:number of queries
  scanf("%d%d\n", &n, &q);
  int office[n];
  int result[q];
  int l = 0;
  memset(office, 0 ,sizeof(office));
  for(int i = 0; i < q; i++){
    string query;
    getline(cin, query); //add P F // find A B
    int FirstSpace = query.find(" "); 
    int SecondSpace = query.find(" ", FirstSpace+1);
    //spliting the strinf
    string ty = query.substr(0, 4);
    string ff_num = query.substr(FirstSpace+1, 1);
    string ss_num = query.substr(SecondSpace+1, 1);
    //conveting string to integer
    int f_num = atoi(ff_num.c_str());
    int s_num = atoi(ss_num.c_str());
 
      if(ty == "add ") {
        office[f_num] += s_num;
      }
 
      else if(ty == "find") {
        int sum = 0;
          for(int t = f_num; t <= s_num; t++) {
            sum += office[t];
          }
        result[l] = sum;
        l++;
      }
  }
  for(int i = 0; i < l; i++)
    printf("%d\n", result[i]);
 
  return 0;
}

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

MTAgMTAKZmluZCAxIDUKYWRkIDUgOAphZGQgNiAyCmZpbmQgNCA1CmZpbmQgNCA2CmFkZCAyIDQKZmluZCAyIDYKYWRkIDYgNwpmaW5kIDEgNgpmaW5kIDcgMTAg

10 10
find 1 5
add 5 8
add 6 2
find 4 5
find 4 6
add 2 4
find 2 6
add 6 7
find 1 6
find 7 10