num1 = 11
num2 = 22
num3 = 66
num1 = float(input("enter frist number:"))
num2 = float(input("enter second number:"))
num3 = float(input("enter third number:"))
if (num1>= num2) and (num1 >= num3):
    largest = num1
elif (num2 >= num1)and (num2 >= num3):
    largest =num2
else:
    largest = num3
print(" the largest number between", num1,",",num2,"and",num3,"is",largest)    
    
