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.
int_input = int(input())
double_input = float(input())
string_input = str(input())




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




# Print the sum of both integer variables on a new line.
print(i + int_input)
# Print the sum of the double variables on a new line.
print(d + double_input)
# Concatenate and print the String variables on a new line
print(s + string_input)
# The 's' variable above should be printed first.
# Declare second integer, double, and String variables. # Read and save an integer, double, and String to your variables. # Print the sum of both integer variables on a new line. # Print the sum of the double variables on a new line. # Concatenate and print the String variables on a new line # The 's' variable above should be printed first.