class student:
    def getStudent(self):
        print("Enter your details: ")
        self.name = input("Name: ")
        self.age = input("Age: ")
        self.gender = input("Gender: ")

class get_marks(student):
    def getMarks(self):
        print("Enter the marks (out of 100) of the respective subjects")
        self.physics = int(input("Physics: "))
        self.chemistry = int(input("Chemistry: "))
        self.math = int(input("Math: "))
        self.biology = int(input("Biology: "))


class marks(get_marks):
    def display(self):
        print("\n\nName: ",self.name)
        print("Age: ",self.age)
        print("Gender: ",self.gender)
        print("Total Marks: ", self.physics + self.chemistry + self.math + self.biology)
 
 
m1 = marks()
m1.getStudent()
m1.getMarks()
m1.display()

# Coded By Dhiraj Shelke