# Read and save an integer, double, and String to your variables.
i = 4
d = 4.0
s = 'HackerRank '
integer = int(raw_input())
floater = float(raw_input())
stringer = str(raw_input())
# Print the sum of both integer variables on a new line.
print integer + i
# Print the sum of the double variables on a new line.
print floater + d
# Concatenate and print the String variables on a new line
# The 's' variable above should be printed first.
print s + stringer

ba230be3c6bddc19cf3322498227789e2ae8ee67
# Read and save an integer, double, and String to your variables.
i = 4
d = 4.0
s = 'HackerRank '
integer = int(raw_input())
floater = float(raw_input())
stringer = str(raw_input())
# Print the sum of both integer variables on a new line.
print integer + i
# Print the sum of the double variables on a new line.
print floater + d
# Concatenate and print the String variables on a new line
# The 's' variable above should be printed first.
print s + stringer
