Problem Statement

Given a length-3 string S consisting of uppercase English letters, print Yes if S equals one of ACE, BDF, CEG, DFA, EGB, FAC, and GBD; print No otherwise.

Constraints

• S is a length-3 string consisting of uppercase English letters.

Sample Input 1

ABC

Sample Output 1

No

When S = ABC, S does not equal any of ACE, BDF, CEG, DFA, EGB, FAC, and GBD, so No should be printed.

Sample Input 2

FAC

Sample Output 2

Yes

Sample Input 3

XYX

Sample Output 3

No

Problem Statement

Takahashi and Aoki played N games. You are given a string S of length N, representing the results of these games. Takahashi won the i-th game if the i-th character of S is T, and Aoki won that game if it is A.

The overall winner between Takahashi and Aoki is the one who won more games than the other. If they had the same number of wins, the overall winner is the one who reached that number of wins first. Find the overall winner: Takahashi or Aoki.

Constraints

• 1\leq N \leq 100
• N is an integer.
• S is a string of length N consisting of T and A.

Sample Input 1

5
TTAAT

Sample Output 1

T

Takahashi won three games, and Aoki won two. Thus, the overall winner is Takahashi, who won more games.

Sample Input 2

6
ATTATA

Sample Output 2

T

Both Takahashi and Aoki won three games. Takahashi reached three wins in the fifth game, and Aoki in the sixth game. Thus, the overall winner is Takahashi, who reached three wins first.

Sample Input 3

1
A

Sample Output 3

A

Problem Statement

There are N people numbered Person 1, Person 2, \dots, and Person N. Person i has a family name s_i and a given name t_i.

Consider giving a nickname to each of the N people. Person i's nickname a_i should satisfy all the conditions below.

• a_i coincides with Person i's family name or given name. In other words, a_i = s_i and/or a_i = t_i holds.
• a_i does not coincide with the family name and the given name of any other person. In other words, for all integer j such that 1 \leq j \leq N and i \neq j, it holds that a_i \neq s_j and a_i \neq t_j.

Is it possible to give nicknames to all the N people? If it is possible, print Yes; otherwise, print No.

Constraints

• 2 \leq N \leq 100
• N is an integer.
• s_i and t_i are strings of lengths between 1 and 10 (inclusive) consisting of lowercase English alphabets.

Sample Input 1

3
tanaka taro
tanaka jiro
suzuki hanako

Sample Output 1

Yes

The following assignment satisfies the conditions of nicknames described in the Problem Statement: a_1 = taro, a_2 = jiro, a_3 = hanako. (a_3 may be suzuki, too.)
However, note that we cannot let a_1 = tanaka, which violates the second condition of nicknames, since Person 2's family name s_2 is tanaka too.

Sample Input 2

3
aaa bbb
xxx aaa
bbb yyy

Sample Output 2

No

There is no way to give nicknames satisfying the conditions in the Problem Statement.

Sample Input 3

2
tanaka taro
tanaka taro

Sample Output 3

No

There may be a pair of people with the same family name and the same given name.

Sample Input 4

3
takahashi chokudai
aoki kensho
snu ke

Sample Output 4

Yes

We can let a_1 = chokudai, a_2 = kensho, and a_3 = ke.

Problem Statement

On the xy-plane, there are N points with ID numbers from 1 to N. Point i is located at coordinates (X_i, Y_i), and no two points have the same coordinates.

From each point, find the farthest point and print its ID number. If multiple points are the farthest, print the smallest of the ID numbers of those points.

Here, we use the Euclidean distance: for two points (x_1,y_1) and (x_2,y_2), the distance between them is \sqrt{(x_1-x_2)^{2}+(y_1-y_2)^{2}}.

Constraints

• 2 \leq N \leq 100
• -1000 \leq X_i, Y_i \leq 1000
• (X_i, Y_i) \neq (X_j, Y_j) if i \neq j.
• All input values are integers.

Sample Input 1

4
0 0
2 4
5 0
3 4

Sample Output 1

3
3
1
1

The following figure shows the arrangement of the points. Here, P_i represents point i. The farthest point from point 1 are points 3 and 4, and point 3 has the smaller ID number.

The farthest point from point 2 is point 3.

The farthest point from point 3 are points 1 and 2, and point 1 has the smaller ID number.

The farthest point from point 4 is point 1.

Sample Input 2

6
3 2
1 6
4 5
1 3
5 5
9 8

Sample Output 2

6
6
6
6
6
4

Problem Statement

Find the K-th lexicographically smallest string among the strings that are permutations of a string S.

Constraints

• 1 \le |S| \le 8
• S consists of lowercase English letters.
• There are at least K distinct strings that are permutations of S.

Sample Input 1

aab 2

Sample Output 1

aba

There are three permutations of a string aab: \{ aab, aba, baa \}. The 2-nd lexicographically smallest of them is aba.

Sample Input 2

baba 4

Sample Output 2

baab

Sample Input 3

ydxwacbz 40320

Sample Output 3

zyxwdcba