"""
Try this code with:
Stdin from file:
python stdio.py < stdin.txt
Stdout to overwritten file:
python stdio.py > stdout.txt
Stdout to appended file:
python stdio.py >> stdout.txt
Both:
python stdio.py < stdin.txt > stdout.txt
python stdio.py | python stdio.py  # Using "|" (SHIFT- backslash on most Windows keyboards)
"""

a = input()
print(a)