#include <fstream>

short aib[15001];
unsigned N;

inline void increase(unsigned idx, const short val){
    while(idx<=N){
        aib[idx]+=val;
        idx += idx&(-idx); //add the last significant digit to the number
    }
}
inline unsigned calc(unsigned idx){
    unsigned Sum=0;
    while(idx>0){
        Sum+=aib[idx];
        idx&=idx-1; //unset the last significant bit
    }
    return Sum;
}

int main(){
    std::ifstream fin("datorii.in");
    std::ofstream fout("datorii.out");

    unsigned  M;
    fin>>N>>M;

    unsigned temp1; int temp2; char c;

    for(unsigned temp1=1;temp1<=N;++temp1){ fin>>temp2; increase(temp1,temp2); }
    while(M--){
        fin>>c>>temp1>>temp2;
        if(c=='0') increase(temp1,-temp2);
        else fout<<calc(temp2)-calc(temp1-1)<<'\n';
    }
}