2C. Fibonacci Again

2C. Fibonacci Again

1000ms
1000ms
32768KB
 
64-bit integer IO format: %I64d      Java class name: Main
 
There are another kind of Fibonacci numbers: F(0) = 7, F(1) = 11, F(n) = F(n-1) + F(n-2) (n>=2).
 

Input

Input consists of a sequence of lines, each containing an integer n. (n < 1,000,000).
 

Output

Print the word "yes" if 3 divide evenly into F(n).

Print the word "no" if not.
 

Sample Input

0
1
2
3
4
5
 

Sample Output

no
no
yes
no
no
no


规律是:no no yes no


 1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <cstdlib>
 5 #include <vector>
 6 #include <climits>
 7 #include <algorithm>
 8 #include <cmath>
 9 #define LL long long
10 using namespace std;
11 int main(){
12     int n;
13     while(~scanf("%d",&n)){
14         n%4 == 2 ? puts("yes"):puts("no");
15     }
16     return 0;
17 }
View Code

 

posted @ 2014-07-06 14:56  狂徒归来  阅读(187)  评论(0)    收藏  举报