# #    ⋀_⋀  #   (・ω・) # ./ U ∽ U\ # │* 合 *│ # │* 格 *│ # │* 祈 *│ # │* 願 *│ # │*   *│ #  ̄ # import sys sys.setrecursionlimit(10**6) input=sys.stdin.readline from math import floor,sqrt,factorial,hypot,log #log2ないyp from heapq import heappop, heappush, heappushpop from collections import Counter,defaultdict,deque from itertools import accumulate,permutations,combinations,product,combinations_with_replacement from bisect import bisect_left,bisect_right from copy import deepcopy from fractions import gcd from random import randint def ceil(a,b): return (a+b-1)//b inf=float('inf') mod = 10**9+7 def pprint(*A): for a in A: print(*a,sep='\n') def INT_(n): return int(n)-1 def MI(): return map(int,input().split()) def MF(): return map(float, input().split()) def MI_(): return map(INT_,input().split()) def LI(): return list(MI()) def LI_(): return [int(x) - 1 for x in input().split()] def LF(): return list(MF()) def LIN(n:int): return [I() for _ in range(n)] def LLIN(n: int): return [LI() for _ in range(n)] def LLIN_(n: int): return [LI_() for _ in range(n)] def LLI(): return [list(map(int, l.split() )) for l in input()] def I(): return int(input()) def F(): return float(input()) def ST(): return input().replace('\n', '') # UnionFind class UnionFind(): def __init__(self, n): self.nodes=[-1] * n # nodes[x]: 負なら、絶対値が木の要素数 def get_root(self, x): # nodes[x]が負ならxが根 if self.nodes[x] < 0: return x # 根に直接つなぎ直しつつ、親を再帰的に探す else: self.nodes[x]=self.get_root(self.nodes[x]) return self.nodes[x] def unite(self, x, y): root_x=self.get_root(x) root_y=self.get_root(y) # 根が同じなら変わらない # if root_x == root_y: # pass if root_x != root_y: # 大きい木の方につないだほうが計算量が減る if self.nodes[root_x] < self.nodes[root_y]: big_root=root_x small_root=root_y else: small_root=root_x big_root=root_y self.nodes[big_root] += self.nodes[small_root] self.nodes[small_root]=big_root def main(): N,M=MI() A=LI() S=ST() uf=UnionFind(N) get_root, unite, nodes=uf.get_root, uf.unite, uf.nodes left = 0 right = N-1 for s in S: if(s=="L"): # if(left+10): left -= 1 # if(right>0): right -= 1 if(0<=left0): L -= 1 if(R>0): R -= 1 else: if(L+1