i = 4
d = 4.0
s = 'HackerRank '
# Declare second integer, double, and String variables.
j=2
f=6.0
g='is amazing'

# Read and save an integer, double, and String to your variables.
x=input()
val=int(x)
y=input()
val1=float(y)
z=input()
# Print the sum of both integer variables on a new line.
print(val+i)
# Print the sum of the double variables on a new line.
print(d+val1)
# Concatenate and print the String variables on a new line
print(s+z)
# The 's' variable above should be printed first.
