牛客網-道に迷った牛Python

N = int(input())    #        
direction = list(input())   #    
temp = "N"
for i in range(N):
    if(temp=="N"):
        if(direction[i]=='L'):
            temp='W'
        else:
            temp='E'
    elif(temp=="E"):
        if(direction[i]=='L'):
            temp='N'
        else:
            temp='S'
    elif(temp=='S'):
        if(direction[i]=='L'):
            temp='E'
        else:
            temp='W'
    else:
        if(direction[i]=='L'):
            temp='S'
        else:
            temp='N'
print(temp)