"""day1_data_types.py
    Created by Aaron at 19-Mar-20"""
i = 4
d = 4.0
s = 'HackerRank '
# Declare second integer, double, and String variables.
# Read and save an integer, double, and String to your variables.
a,b,c=int(input()),float(input()),input()
# Print the sum of both integer variables on a new line.
print(a+i)
# Print the sum of the double variables on a new line.
print(b+d)
# Concatenate and print the String variables on a new line
# The 's' variable above should be printed first.
print(s+c)
# 12
# 4.0
# is the best place to learn and practice coding!