n = int(input())

m = 0

for i in range(n+1):
    for j in range(i+1):
        for k in range(j+1):

            if (i*j + j*k + k*i) == n:
                m += 6

print(m)

for i in range(n+1):
    for j in range(i+1):
        for k in range(j+1):

            if (i*j + j*k + k*i) == n:
                print(i, j, k)
                print(i, k, j)
                print(j, i, k)
                print(j, k, i)
                print(k, i, j)
                print(k, j, i)