i=10
d=2.5
s="HackerRank"
# Declare second integer, double, and String variables.
ii=int(raw_input())
dd=float(raw_input())
ss=raw_input()
# Read and save an integer, double, and String to your variables.

# Print the sum of both integer variables on a new line.
print i+ii
# Print the sum of the double variables on a new line.
print d+dd
# Concatenate and print the String variables on a new line
print s+ " " + ss
# The 's' variable above should be printed first.

Print sum of same data types on a different line