# Problem: https://www.hackerrank.com/challenges/30-hello-world/problem
# Score: 30.0


inputString = input()
print('Hello, World.', inputString, sep='\n')

# Problem: https://www.hackerrank.com/challenges/30-hello-world/problem
# Score: 30.0


inputString = input()
print('Hello, World.', inputString, sep='\n')

# Problem: https://www.hackerrank.com/challenges/30-hello-world/problem # Score: 30.0