#include<iostream>
using namespace std;
int n,m,c[1000010];
int lowbit(int x){
    return x&-x;
}
int qiuhe(int x){
    int cnt=0;
    while(x){
        cnt+=c[x];
        x-=lowbit(x);
    }
    return cnt;
}
void xiugai(int x,int y){
    while(x<=n){
        c[x]+=y;
        x+=lowbit(x);
    }
}
int main(){
    int A,B,t;
    char K;
    cin>>n>>m;
	while(m--){
        cin>>K>>A>>B;
        if(K=='x'){
            xiugai(A,B);
        }else{
            cout<<qiuhe(B)-qiuhe(A-1)<<endl;
        }
    }
    return 0;
}