2022100025

# n=1
# while n!=0:
#     n=int(input())
# if n==0:
#     breakpoint()
# while True:
#     n = int(input())
#     if n == 0:
#         break
#     print(n)

# for i in range(5):  # 0~ 5-1
#     print(i)
#
# for i in range(5, 10):  # 5~9
#     print(i)
#
# for i in range(1, 10, 2):
#     print(i)
#
# for i in range(10, 1, -1):
#     print(i)
#
# data = ['apple', 'banana', 'melon']
#
# for i in data:
#     print(i)
#
# for i in range(len(data)):
#     print(data[i])
#
# print('apple2' in data)
# a=int(input())
# for i in range(a,0,-1):
# #     print(i)
# a=int(input())
# for i in range(a-1 ,-1,-1):
#      print(i)
# c=ord(input())
# t=ord('a')
# while t<=c:
#     print(chr(t),end=' ')
#     t+=1
# a=int(input())
# for i in range(0,a+1):
#     print(i)
# n=int(input())
# for i in range(n+1):
#     print(i)
# a,r,n=map(int,input().split())
# for i in range(n-1):
#     a*=r
# print(a)