第一题 ac代码  n,m = map(int,input().split()) value=list(map(int,input().split())) extre=[ [] for i in range(n)] for _ in range(m):     k=int(input())     res=0     left=right=None     for _ in range(k):         do=list(input().split())         if do[1]=="take":             do[2]=int(do[2])-1             temp=0             if extre[do[2]]==[]:                 temp=value[do[2]]             else:                 temp=extre[do[2]].pop()             if do[0]=="left":                 left=temp             else:                 right=temp         elif do[1]=="keep":             if do[0]=="left":                 res+=left                 left=0             else:                 res+=right                 right=0         else:             do[2] = int(do[2])-1             if do[0]=="left":                 extre[do[2]].append(left)                 left=0             else:                 extre[do[2]].append(right)                 right=0     if left:res+=left     if right:res+=right     print(res)