#!/usr/bin/python
import sys
import csv

def mapper():
    reader = csv.reader(sys.stdin, delimiter='\t')
    writer = csv.writer(sys.stdout, delimiter='\t', quotechar='"', quoting=csv.QUOTE_ALL)

    for line in reader:

        # aquí deben completar el código
            
        writer.writerow(line)

test_text = """\"\"\t\"\"\t\"\"\t\"\"\t\"Esta es una oracion\"\t\"\"
\"\"\t\"\"\t\"\"\t\"\"\t\"tambien es una oracion!\"\t\"\"
\"\"\t\"\"\t\"\"\t\"\"\t\"Aqui!\n hay dos oraciones!\"\t\"\"
\"\"\t\"\"\t\"\"\t\"\"\t\"uno. dos! tres?\"\t\"\"
\"\"\t\"\"\t\"\"\t\"\"\t\"un periodo. dos oraciones\"\t\"\"
\"\"\t\"\"\t\"\"\t\"\"\t\"Tres\nlinea, dos\n\"\t\"\"
"""

def main():
    import StringIO
    sys.stdin = StringIO.StringIO(test_text)
    mapper()
    sys.stdin = sys.__stdin__

if __name__ == "__main__":
    main()

    /--------------------------------------------------------------------------------------------------------------------------
    https://drive.google.com/file/d/1b4rn1V3YTY90x9fxSCWMWBHAtbMpB9W6/view
