gauravkoradiya

# https://www.codechef.com/LRNDSA01/problems/MULTHREE 

def check_multiple_of_three(k, d0, d1):
    if k == 2:
        return not ((d0 + d1) % 3)
    sum_of_digits = d0 + d1 + ((d0 + d1) % 10)
    if k > 3:
        a = ((d0 + d1) << 1) % 10
        b = ((d0 + d1) << 2) % 10

gauravkoradiya

# cook yur dish here
# https://www.codechef.com/LRNDSA01/problems/LADDU
def LADDU_ACCURAL_SYSTEM(activity):
    if activity[0] == 'CONTEST_WON':
        return 300 + ((20 - int(activity[1])) if int(activity[1])<20 else 0)
    if activity[0] == 'TOP_CONTRIBUTOR':
        return 300
    if activity[0] == 'BUG_FOUND':
        return int(activity[1])
    if activity[0] == 'CONTEST_HOSTED':

gauravkoradiya

# https://www.codechef.com/LRNDSA01/problems/CONFLIP

import math
def main():
    for _ in range(int(input())):
        for _ in range(int(input())):
            I,N,Q = map(int, input().split())
            if I == Q:
                print(math.floor(N/2))
            else:

gauravkoradiya

# https://www.codechef.com/LRNDSA01/problems/FCTRL

def solution(a):
    if a < 5:
        return 0
    else:
        b = a // 5 
        return b + solution(b)

gauravkoradiya

# https://www.codechef.com/problems/CARVANS

def main():
    for T in range(int(input())):
        num_cars = int(input())
        speed = map(lambda x: int(x) , input().split())
        count = 0 
        max_speed = float('inf')
        for i in speed:
            if i < max_speed:

gauravkoradiya

"""https://www.codechef.com/LRNDSA01/problems/ZCO14003/"""
def main():
    num_customer = int(input())
    bgt_lst = sorted([int(input()) for i in range(num_customer)],reverse=True)
    revenue = max([(index+1)*value for index,value in enumerate(bgt_lst)])
    print(revenue)
    
if __name__ == '__main__':
    main()

gauravkoradiya

"""https://www.codechef.com/LRNDSA01/problems/LAPIN"""

def LRNDSA01(ip,first_end,second_start,strlen):
     
    d = dict()
    for i in range(first_end):
        d[ip[i]] = d.get(ip[i],0)+1 
        
    for j in range(second_start,strlen):
        try:

gauravkoradiya

"""https://www.codechef.com/LRNDSA01/problems/FLOW007"""

def main():
    n=int(input())
    while(n!=0):
        print(int(input()[::-1]))
        n-=1

if __name__ == '__main__':

gauravkoradiya

"""https://www.codechef.com/LRNDSA01/problems/TEST"""

def main():
    """if input is 42 than stop the processing"""""
    x = int(input().strip())
    while x != 42 :
        print(x)
        x = int(input().strip())
        
if __name__ == '__main__':