Problem Statement

There are N people numbered 1 to N. Each person wears a red hat or a blue hat.
You are given a string s representing the colors of the people. Person i wears a red hat if s_i is R, and a blue hat if s_i is B.
Determine if there are more people wearing a red hat than people wearing a blue hat.

Input

Input is given from Standard Input in the following format:
N
s

Output

If there are more people wearing a red hat than there are people wearing a blue hat, print Yes; otherwise, print No.

Constraints

• $1 \leq N \leq 100$
• |s| = N
• s_i is R or B.

Sample Input 1

4
RRBR

Sample Output 1

Yes

• There are three people wearing a red hat, and one person wearing a blue hat.
• Since there are more people wearing a red hat than people wearing a blue hat, the answer is Yes.

Sample Input 2

4
BRBR

Sample Output 2

No

• There are two people wearing a red hat, and two people wearing a blue hat.
• Since there are as many people wearing a red hat as people wearing a blue hat, the answer is No.

见题面 Input 部分

见题面 Output 部分