N,M=map(int,input().split())
Q=[list(map(int,input().split())) for i in range(M)]
for i in range(M):
  Q[i][2]^=1
  Q[i][0]-=1
  Q[i][1]-=1
D=dict()
for i in range(M):
  D[(Q[i][0],Q[i][1])]=i
if N>=8:
  if M>0 and max([Q[i][2] for i in range(M)]):
    print(0)
  else:
    print(1)
  exit()
def f(a):
  for i in range(N):
    for j in range(N):
      if D.get((i,j),-1)>=0:
        if Q[D[(i,j)]][2]!=a[i][j]:
          return 0
      for k in range(2,N+1):
        if i+k<=N and j+k<=N:
          s=0
          for x in range(i,i+k):
            for y in range(j,j+k):
              s^=a[x][y]
          if s:
            return 0
  return 1

ANS=0
S=set()
for i in range(1<<N):
  for j in range(1<<N):
    A=[[0]*N for k in range(N)]
    for k in range(N):
      if (i>>k)&1:
        for l in range(N):
          A[k][l]^=1
      if (j>>k)&1:
        for l in range(N):
          A[l][k]^=1
    if f(A):
      S.add(tuple([A[x//N][x%N] for x in range(N*N)]))
print(len(S))