N = int(input())
if N <= 5:
	s2 = "1" + "01" * (N - 1)
	print(s2)
elif N > 5:
	i = 1
	for  n in range(N - 1):
		i = i * 100 + 1
		i = i % 1000000007
	print(i)

N2 = (N % 11)

if N2 == 0:
	s2 = 0

else:
	s2 = "1" + "01" * (N2 - 1)
print(s2)