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