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

assert 1 <= n <= 2 * 10**5
assert len(a) == n
assert all(0 <= x <= 10**9 for x in a)
assert a == sorted(a)

ans = []
while not all(a[0] == x for x in a):
    min_a = a[0]
    max_a = a[-1]
    mid = (min_a + max_a + 1) // 2
    l = 0
    r = next(filter(lambda i: a[i] >= mid, range(n)))
    v = mid - min_a
    for i in range(l, r):
        a[i] += v
    ans.append((l + 1, r, v))
    a = sorted(a)

print(len(ans))
for l, r, v in ans:
    print(l, r, v)