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.
num1 = int(input())
num2 = float(input())
s1 = input()
# Print the sum of both integer variables on a new line.
print(num1+i)
# Print the sum of the double variables on a new line.
print(num2+d)
# Concatenate and print the String variables on a new line
# The 's' variable above should be printed first.
print(s+s1)
