"""
substring from string
substring after the words "The", "At" or "In"
substring ends with words "Park", "Preserve", "Reservation", "Reserve" or "Recreation Area"
"""

ip = input("enter sentence : ")
start = ["the","at","in"]
end = ["park","preserve","reservation","reserve","recreation area"]
ip = ip.lower()

lst = ip.split(" ")
print(lst)
flag = -1
for i in range(0,start.__len__()):
    for j in range(0,lst.__len__()):
        if start[i] == lst[j]:
            flag = j
        pass
    pass
if flag == -1:
    print("nothing here!")
else:
    flag2 = -1
    for i in range(0, end.__len__()):
        for j in range(0, lst.__len__()):
            if end[i] == lst[j]:
                flag2 = j
            pass
        pass
    if(flag2 == -1):
        print("nothing here!")
    else:
        for i in range(flag, flag2+1):
            print(lst[i])