#a
print("Hello, world!")
#b
print("Hello", "World!")
#c
print("3")
#d
print("3.0")
#e
print(2 + 3)
#f
print("2.0 + 3.0")
#g
print("2" + "3")
#h
print("2 + 3 =", 2 + 3)
#i
print("2 * 3")
#j
print(2 ** 3)
#k
print(7 / 3)
#l
print(7 // 3)