和風いろはちゃんイージー / Iroha and Haiku (ABC Edition) (水水)

题目链接:http://abc042.contest.atcoder.jp/tasks/abc042_a

Time limit : 2sec / Memory limit : 256MB

Score : 100 points

Problem Statement

Iroha loves Haiku. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 57 and 5 syllables, in this order.

To create a Haiku, Iroha has come up with three different phrases. These phrases have AB and C syllables, respectively. Determine whether she can construct a Haiku by using each of the phrases once, in some order.

Constraints

  • 1≦A,B,C≦10

Input

The input is given from Standard Input in the following format:

A B C

Output

If it is possible to construct a Haiku by using each of the phrases once, print YES (case-sensitive). Otherwise, print NO.


Sample Input 1

Copy
5 5 7

Sample Output 1

Copy
YES

Using three phrases of length 55 and 7, it is possible to construct a Haiku.


Sample Input 2

Copy
7 7 5

Sample Output 2

Copy
NO

 题解:看三个数的和是否能整除(5+5+7==14)

 1 #include <iostream>
 2 #include <algorithm>
 3 #include <cstring>
 4 #include <cstdio>
 5 #include <vector>
 6 #include <cstdlib>
 7 #include <iomanip>
 8 #include <cmath>
 9 #include <ctime>
10 #include <map>
11 #include <set>
12 #include <queue>
13 using namespace std;
14 #define lowbit(x) (x&(-x))
15 #define max(x,y) (x>y?x:y)
16 #define min(x,y) (x<y?x:y)
17 #define MAX 100000000000000000
18 #define MOD 1000000007
19 #define pi acos(-1.0)
20 #define ei exp(1)
21 #define PI 3.141592653589793238462
22 #define INF 0x3f3f3f3f3f
23 #define mem(a) (memset(a,0,sizeof(a)))
24 typedef long long ll;
25 ll gcd(ll a,ll b){
26     return b?gcd(b,a%b):a;
27 }
28 bool cmp(int x,int y)
29 {
30     return x>y;
31 }
32 const int N=10005;
33 const int mod=1e9+7;
34 int main()
35 {
36     std::ios::sync_with_stdio(false);
37     int a,b,c;
38     cin>>a>>b>>c;
39     if((a+b+c)%17==0) cout<<"YES"<<endl;
40     else cout<<"NO"<<endl;
41     return 0;
42 }
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posted @ 2017-08-04 20:38  wydxry  阅读(725)  评论(0编辑  收藏  举报
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