[Solution] The Three Topics solution codechef

The Three Topics solution codechef – The Chef has reached the finals of the Annual Inter-school Declamation contest.

For the finals, students were asked to prepare 1010 topics. However, Chef was only able to prepare three topics, numbered AABB and CC — he is totally blank about the other topics. This means Chef can only win the contest if he gets the topics AABB or CC to speak about.

The Three Topics solution codechef

On the contest day, Chef gets topic XX. Determine whether Chef has any chances of winning the competition.

Print “Yes” if it is possible for Chef to win the contest, else print “No”.

You may print each character of the string in either uppercase or lowercase (for example, the strings yEsyesYes, and YES will all be treated as identical).

Input Format

  • The first and only line of input will contain a single line containing four space-separated integers AABBCC, and XX — the three topics Chef has prepared and the topic that was given to him on contest day.

Output Format

  • For each testcase, output in a single line “Yes” or “No”.
  • You may print each character of the string in either uppercase or lowercase (for example, the strings yEsyesYes, and YES will all be treated as identical).

The Three Topics solution codechef

  • 1A,B,C,X101≤A,B,C,X≤10
  • A,B,CA,B,C are distinct.

Subtasks

Subtask #1 (100 points): Original constraints

Sample Input 1 

2 3 7 3

Sample Output 1 

Yes

The Three Topics Explanation

Chef had prepared the topics: 2,3,72,3,7. Chef gets to speak on the topic: 33. Since Chef had already prepared this, there is a chance that he can win the contest.

The Three Topics solution codechef

 

4 6 8 5

Sample Output 2 

No

Explanation

Chef had prepared the topics: 4,6,84,6,8. Chef gets to speak on the topic: 55. Since Chef didn’t prepare this topic, there is no chance that he can win the contest.

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