#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
void ngha();
const int mod2=1e9+7;
const int mod1=998244353;
struct ib
{
int a;
int b;
};
struct icd
{
int a,b;
};
struct ic
{
int a,b,c;
};
struct id
{
int a,b,c,d;
};
struct ie
{
int a,b,c, d,e;
};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int i,s10,s12;
int el=29;
main()
{
//#ifndef ONLINE_JUDGE
// fin(task),fou(task);
//#endif
NHP
//modwwe
// cin>>res;
ngha();
}
int c[250001];
ic t[1000001];
id b[250001];
void ff(int x)
{
for(int i=x*2;i<=x*2+1;i++)
{
if(t[i].a>=t[x].b)t[i].a-=t[x].b;
else t[i].b+=t[x].b-t[i].a,t[i].a=0;
t[i].a+=t[x].a;
t[i].c+=t[x].c;
}
t[x].a=t[x].b=t[x].c=0;
}
void upd(int node,int l,int r,int l1,int r1,int k,int z)
{
if(l>r1||r<l1) return;
if(l>=l1&&r<=r1)
{ if(k==1)
t[node].a+=z,t[node].c+=z;
if(k==0)
{
if(t[node].a>=z)t[node].a-=z;
else t[node].b+=z-t[node].a,t[node].a=0;
}
return;
}
ff(node);
int mid=l+r>>1;
upd(node<<1,l,mid,l1,r1,k,z);
upd(node<<1|1,mid+1,r,l1,r1,k,z);
}
int get(int node,int l,int r,int l1,int r1)
{
if(l>r1||r<l1) return 0;
if(l>=l1&&r<=r1) return t[node].a;
int mid=l+r>>1;
ff(node);
return get(node<<1,l,mid,l1,r1)+get(node<<1|1,mid+1,r,l1,r1);
}
int get2(int node,int l,int r,int l1,int r1)
{
if(l>r1||r<l1) return 0;
if(l>=l1&&r<=r1) return t[node].c;
int mid=l+r>>1;
ff(node);
return get2(node<<1,l,mid,l1,r1)+get2(node<<1|1,mid+1,r,l1,r1);
}
int bit[250001];
void upd(int x,int y)
{
for(x;x<=k;x+=x&-x)
bit[x]+=y;
}
int get(int x)
{ int ss=0;
for(x;x;x-=x&-x)
ss+=bit[x];
return ss;
}
vector<ib> v[250001];
vector<ib> v2[250002];
vector<ib> v3[250002];
void ngha()
{
cin>>n>>m>>k;
for(int i=1;i<=k;i++)
{
cin>>l;
if(l==3){cin>>l>>r;
c[++dem]=0;
s2=get2(1,1,n,l,l);
s3=get(1,1,n,l,l);
//cout<<s3 ,down
///cout<<s2-s3+r<<" "<<l<<" "<<r<<" "<<s3,down
/// if(i==90) cout<<r<<" "<<s3<<" cucucuc",down
if(r<=s3)
{ ///cout<<s2-s3+r<<" "<<s3,down
/// cout<<i<<" cucu "<<dem,down
v[l].pb({s2-s3+r,dem});
}
}
else
if(l==2)
{
cin>>l>>r>>s3;
upd(1,1,n,l,r,0,s3);
}
else
if(l==1)
{
cin>>l>>r>>s2>>s3;
b[++dem2]={l,r,s2,s3};
upd(1,1,n,l,r,1,s3);
///if(i==1)
/// cout<<get(1,1,n,3,3),down
}
}
for(int i=1;i<=dem2;i++)
{
v2[b[i].a].pb({b[i].d,i});
v3[b[i].b+1].pb({b[i].d,i});
}
for(int i=1;i<=n;i++)
{
for(auto x:v2[i])
{
upd(x.b,x.a);
}
for(auto x:v3[i])
{
upd(x.b,-x.a);
}
for(auto x:v[i])
{
l=1;
r=k;
while(l<=r)
{
int mid=l+r>>1;
if(get(mid)>=x.a)r=mid-1;
else l=mid+1;
}
/// cout<<r+1<<" "<<dem2<<" "<<get(3),down
c[x.b]=b[r+1].c;
}
}
for(int i=1;i<=dem;i++)
cout<<c[i],down
}
