#2022/05/18 21:40
# 单行输入分支练习
# statuscode=int(input())
# if statuscode==200:
#     print("OK")
# elif statuscode==202:
#     print("Accepted")
# elif statuscode==400:
#     print("Bad Request")
# elif statuscode==403:
#     print("Forbidden")
# elif statuscode==404:
#     print("Not Found")
# elif statuscode==500:
#     print("Internal Server Error")
# elif statuscode==502:
#     print("Bad Gateway")
#多行输入
statuscode=["200","202","400","403","404","500","502"]
statusmeaning=['OK','Accepted','Bad Request','Forbidden','Not Found','Internal Server Error','Bad Gateway']
while 1:
    try:
        a=input()
        xb=statuscode.index(a)
        print(statusmeaning[xb])
    except:
        break