n = int(input())
a = list(map(int, input().split()))

add = 1
for i in range(29):
  add *= 2

print(30)
for i in range(30):
  r = n
  for j in range(n):
    if a[j] >= add:
      r = min(r, j)
      a[j] -= add    
  if r == 0:
    print(1, n, 0)
  else:
    print(1, r, add)
  add //= 2
  a.sort()