def cin():
    name = []
    n = int(input("Nhap vao so luong ten: "))
    for i in range(n):
        print("Nguoi thu ", i+1, ":", sep="", end=" ")
        name.append(input())
    return name
 
def Srt(lst):
    n=len(lst)
    res=[]
    for i in range(n-1):
        if(len(lst[i])>=5):
            res.append(lst[i])
    return res
 
lst = cin()
ans=Srt(lst)
print("\nDanh sach sau khi loc la:")
for i in range(len(ans)):
    print(ans[i])
 
 

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