#2×n 타일링
#https://www.acmicpc.net/problem/11726
import sys
sys.stdin = open("input.txt","r")
n=int(input())
dp=[0]*1001
dp[1]=1
dp[2]=2
for i in range(3,n+1):
    dp[i]=dp[i-1]+dp[i-2]
print(dp[n]%10007)
