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#include <bits/stdc++.h>
using namespace std;
ifstream fin("datorii.in");
ofstream fout("datorii.out");
int x[15005],S[15005],n,m,c,t,v,p,q,s;
int main()
{
fin>>n>>m;
for(int i=1;i<=n;i++)
{
fin>>x[i];
S[i]=S[i-1]+x[i];
}
for(int i=1;i<=m;i++)
{
fin>>c;
if(c==0)
{
fin>>t>>v;
for(int a=t;a<=n;a++)
{
S[a]-=v;
}
}
if(c==1)
{
fin>>p>>q;
fout<<S[q]-S[p-1]<<"\n";
}
}
return 0;
}
/*
1 3 2 0 0 10
1 4 6 6 6 16
*/