N,Q=map(int,input().split())
A=list(map(int,input().split()))
result=[0]*Q
q=[]
for i in range(Q):
  pos,x,l,r=map(int,input().split())
  q.append((pos,x,l,r))
for pos in range(1,N+1):
  y=A[pos-1]
  now=pos
  for i in range(Q):
    pos,x,l,r=q[i][:]
    if pos<now:
      now+=1
    if l<=now<=r:
      result[i]+=y
for i in range(Q):
  pos,x,l,r=q[i][:]
  now=pos+1
  if l<=now<=r:
    result[i]+=x
  for j in range(i+1,Q):
    pos,y,l,r=q[j][:]
    if pos<now:
      now+=1
    if l<=now<=r:
      result[j]+=x
for i in range(Q):
  print(result[i])