import pandas as pd
import numpy as np
import sys

converters= {col: str for col in range(0, 35)}
data = result = sys.stdin if sys.version_info[0] == 2 else sys.stdin.buffer
my_excel = pd.read_excel(data, index_col=None, header=0 ,sheetname="sheet1", converters=converters)
my_csv=my_excel.to_csv(sep=';', index = False)
print(my_csv)