num1 = float(input("Enter first number: "))
num2 = float(input("Enter second number: "))
num3 = float(input("Enter thrid number: "))

if (num1 >= num2) and (num1 >= num3) :
    largest = num1

elif (num2 >= num1) and (num2 >= num3) :
    largest = num2

else:
    largest = num3

print("The largest number is", largest)