# Enter your code here. Read input from STDIN. Print output to STDOUT
n = int(input())

class Queue:
    def __init__(self):
        self.items = []
        
    def enqueue(self, value):
        self.items.append(value)
    
    def dequeue(self):
        if self.is_empty():
            return "Add some value to the Queue"
            
        self.items = self.items[1:]
        
    def get_head(self):
        if self.is_empty():
            return "Empty Queue"
            
        return self.items[0]
    
    def size(self):
        return len(self.items)
    
    def is_empty(self):
        return len(self.items) == 0


queue = Queue()

for _ in range(n):
    args = list(map(int, input().split()))
    if len(args) > 1:
        queue.enqueue(args[1])
    else:
        arg = args[0]
        if arg == 2:
            queue.dequeue()
        elif arg == 3:
            print(queue.get_head())