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Q11726.java
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Q11726.java
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package forRank;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
public class Q11726 {
private static int getCase(int n){
if(n < 2)
return 1;
int dp[] = new int[n + 1];
dp[0] = dp[1] = 1;
for (int i = 2; i <= n; i++)
dp[i] = (dp[i - 1] + dp[i - 2]) % 10007;
return dp[n];
}
private static int getCase2(int n){
int previous = 1; //0
int cur = 1; //1
for (int i = 0; i < n - 1; i++) {
int temp = cur;
cur = (cur + previous) % 10007;
previous = temp;
}
return cur;
}
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int n = Integer.parseInt(br.readLine());
bw.write(getCase2(n) + "\n");
br.close();
bw.close();
}
}