day_1.py

i = 4
d = 4.0
s = 'HackerRank '

# Read and save an integer, double, and String to your variables.
a = int(input())
b = float(input())
string = input()

# Print the sum of both integer variables on a new line.
print(i + a)

# Print the sum of the double variables on a new line.
print(d + b)

# Concatenate and print the String variables on a new line
print(s + string)

# The 's' variable above should be printed first.