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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("datorii.in");
ofstream g("datorii.out");
int i,j,k,t,nr=0,x,y,z;
unsigned int n,m,v[1010];
int main()
{
f>>n>>m;
for(i=1;i<=n;i++)
{
f>>v[i];
}
while(m!=0)
{
nr=0;
f>>x>>y>>z;
if(x==0)
{
v[y]=v[y]-z;
}
else
{
for(i=y;i<=z;i++)
nr=nr+v[i];
if((m-1)!=0)
g<<nr<<endl;
else
g<<nr;
}
m=m-1;
}
return 0;
}