#!/usr/bin/env python3
# csv2md - Convert CSV to Markdown table
import csv
import fileinput
import sys

# Read from stdin or file specified as argument
csv_data = ''.join(line for line in fileinput.input())
reader = csv.reader(csv_data.splitlines())
rows = list(reader)

if rows:
    # Print header row
    print(f"| {' | '.join(rows[0])} |")

    # Print separator row
    print(f"| {' | '.join(['---'] * len(rows[0]))} |")

    # Print data rows
    for row in rows[1:]:
        print(f"| {' | '.join(row)} |")