import sys

def solve(lines):
    return [l for l in lines if "Hamlet" in l]

if __name__ == "__main__":
    lines = []
    
    fp = sys.argv[1]
    assert(fp == "shakespeare.in") # just a sanity check

    print(fp)
    with open(fp, encoding="utf-8") as f:
        lines = f.readlines()
    sol = solve(lines)
    with open("./shakespeare.out", 'w', encoding="utf-8") as f:
        f.writelines(sol)