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 Python (3.4.3) (judge verdict: Accepted)

#!venv/bin/python

import math
import numpy as np
import random
import copy
import statistics 
import bisect
import heapq
from collections import defaultdict 

N = int(input())
S = input()
#A, B, C = [int(x) for x in input().split()]

cnt = {
    "B": 0,
    "R": 0,
}

for s in S:
    cnt[s] += 1

if cnt["R"] > cnt["B"]:
    print ("Yes")
else:
    print ("No")