#The final grade in our course is calculated according to the following rule: 
#Final Grade
#Laboratory Sessions 45%  
#Exams  35% 
#Mini-Quizzes  15% 
#Homework and Attendance 5%  
#Write a program that asks user to enter the average grade for all quizzes, 
#average grade for all exams, average grade for all homeworks, and the lab 
#grade. The program calculates the final grade in the course. 

lab=int(input("enter lab grade "))
exam=int(input("enter exam grade "))
quiz=int(input("enter quiz grade "))
homework=int(input("enter homework grade "))

final=lab*45/100+exam*35/100+quiz*15/100+homework*5/100
print("final grade", final)