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#include <stdio.h>
#include <fstream>
using namespace std;
const int NMAX=15099;
int main(){
int n,m,x,z,o,p,sum;
int a[NMAX];
freopen("datorii.in ","r",stdin);
freopen("datorii.out","w",stdout);
scanf("%d%d", &n, &m);
for(int i=1;i<=n;i++)
scanf("%d", &a[i]);
for(int i=1;i<=m;i++){
int q;
scanf("%d", &q);
switch(q){
case 0:{
scanf("%d%d", &x, &z);
a[x]-=z;
break;
}
case 1:{
sum=0;
scanf("%d%d", &p, &o);
for(int g=p;g<=o;g++){
sum+=a[g];
}
printf("%d\n", sum );
break;
}
}
}
return 0;
}