Problem:
Score : 200 points

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.

Constraints

1 \leq N \leq 100

|s| = N

s_i is R or B.

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.

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.

Solution in JavaScript (node.js v5.12) (judge verdict: Accepted)

function main(arg) {
	arg = arg.split("\n")
	var N = Number(arg[0])
	var s = arg[1]
	var nr = s.split("R").length - 1
	var nb = s.split("B").length - 1
	if (nr > nb) {
		console.log("Yes")
	} else {
		console.log("No")
	}
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));