https://www.acmicpc.net/problem/11726
n = int(input()) dp = [0 for _ in range(1001)] dp[1] = 1 dp[2] = 2 if n>2: for i in range(3,n+1): dp[i] = (dp[i-1] + dp[i-2]) % 10007 print(dp[n])
dp[i] = dp[i-1] + dp[i-2]