num1 = float(input("enter num1"))
num2 = float(input("enter num2"))
num3 = float(input("enter num3"))
if (num1 >= num2) and (num1 >=  num3):
    largest = num1
elif (num2 >= num1) and (num2>=num3):
    largest = num2
else:
    largest = num3




print(largest)