#include<bits/stdc++.h>
using namespace std;
int lowbit(int u){
    return u&(-u);
}
int n,m,x,y,a[100005],c[100005];
void update(int p,int x){
    for(int i=p;i<=n;i+=lowbit(i)) c[i]+=x;
}
int ask(int p){
    int ans=0;
    for(int i=p;i>0;i-=lowbit(i)) ans+=c[i];
    return ans;
}
int main(){
    freopen("shulie.in","r",stdin);
    freopen("shulie.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        update(i,a[i]);
    }
    cin>>m;
    while(m--){
        string l;
        cin>>l>>x>>y;
        if(l=="ADD"){
            update(x,y);
        }else{
            cout<<ask(y)-ask(x-1)<<endl;
        }
    }
    return 0;
}