#include<stdio.h>
int n,m,x,y,i,j,ok,s,a[15001];
int main()
{freopen("datorii.in","r",stdin);
 freopen("datorii.out","w",stdout);
 scanf("%d %d",&n,&m);
 for(i=1;i<=n;i++)
  scanf("%d",&a[i]);
 for(;m;m--)
 {scanf("%d %d %d",&ok,&x,&y);
 if(!ok) {a[x]=a[x]-y;continue;}
 s=0;
 for(i=x;i<=y;i++)
  s=s+a[i];
 printf("%d\n",s);
  }
 return 0;}