#! ruby -Ks

num1 = 1.2
num2 = 1.8
num3 = -1.3
num4 = -1.7

print(num1, ".round = ", num1.round, "\n")
print(num2, ".round = ", num2.round, "\n")
print(num3, ".round = ", num3.round, "\n")
print(num4, ".round = ", num4.round, "\n")

print(num1, ".ceil = ", num1.ceil, "\n")
print(num2, ".ceil = ", num2.ceil, "\n")
print(num3, ".ceil = ", num3.ceil, "\n")
print(num4, ".ceil = ", num4.ceil, "\n")

print(num1, ".floor = ", num1.floor, "\n")
print(num2, ".floor = ", num2.floor, "\n")
print(num3, ".floor = ", num3.floor, "\n")
print(num4, ".floor = ", num4.floor, "\n")