N=int(input())
A=[0 for i in range(500)]
for i in range(0,500,2):
    A[i]=1
for i in range(1,500,4):
    A[i]=2
for i in range(3,500,8):
    A[i]=3
for i in range(7,500,16):
    A[i]=4
for i in range(15,500,32):
    A[i]=5
for i in range(31,500,64):
    A[i]=6
for i in range(63,500,128):
    A[i]=7
for i in range(127,500,256):
    A[i]=8
for i in range(255,500,512):
    A[i]=9
x=""
for i in range(N):
    x+=str(A[i])
print(x)