# # # # # # x = 10
# # # # # # y = 20
# # # # # # z = 50

# # # # # # # if x > y and x > z:
# # # # # # #     print('x is large')
# # # # # # # elif y > x and y > z:
# # # # # # #     print('y is large')
# # # # # # # else:
# # # # # # #     print('z is large')

# # # # # # if x > y:
# # # # # #     if x > z:
# # # # # #         print('x')

# # # # # #     else:
# # # # # #         print('z')
# # # # # # else:
# # # # # #     if y > z:
# # # # # # #         print('y')
# # # # # # #     else:
# # # # # # #         print('z')

# # # # # # p = 150000
# # # # # # t = 2.5
# # # # # # r = 2.5

# # # # # # i = (p * t * r)/100

# # # # # # print(f'simple interest is {i}')

# # # # # # p = (100*i)/(t*r)

# # # # # # print(f'principle is {p}')

# # # # nepali = int(input('Enter marks of Nepali:'))
# # # # english = int(input('Enter marks of English:'))
# # # # maths = int(input('Enter marks of Maths:'))
# # # # science = int(input('Enter marks of Science:'))
# # # # population = int(input('Enter marks of Population:'))

# # # # total = nepali + english + maths + science + population
# # # # percentage = total/5
# # # # print(f'total is {total}')
# # # # print(f'percentage is: {percentage}')

# # # # if percentage < 35:
# # # #     print('failed')
# # # # elif percentage > 35 or percentage < 45:
# # # #     print('pass')
# # # # elif percentage > 45 or percentage < 60:
# # # #     print('second div')
# # # # elif percentage > 60 or percentage <75:
# # # #     print('first div')
# # # # else:
# # # #     print('Distinction')

# # # # if nepali<35:
# # # #     print(f'you have failed in nepali and your marks is {nepali}')
# # # # elif english<35:
# # # #      print(f'you have failed in english and your marks is {english}')
# # # # elif maths<35:
# # # #      print(f'you have failed in maths and your marks is {maths}')
# # # # elif science<35:
# # # #      print(f'you have failed in science and your marks is {science}')
# # # # elif population<35 :
# # # #      print(f'you have failed in population and your marks is {population}')


sum == 3
call = int(input('Enter call duration:'))
if call<=5:
    print('callprice == 3')
elif call > 5 or call <=10:
    print('callprice == 6')
elif call > 10 or call <=20:
    print('callprice == 9')
elif call > 20 or call <= 45:
    print('callprice ==  20')
elif call > 45 or call <= 100:
    print('callprice == 10')

# # # #loop statements:

# # # # users = [['ram','sita','hari'],['a','b','c'],['d','e','f']]
# # # # for a,b,c in users:
# # # #     print(a)
# # # #     print(b)
# # # #     print(c)

# # # users = [['ram','sita','hari'],['a','b','c'],['d','e','f']]
# # # for user in users:
# # #     for us in user:
# # #         print(us)
    
# # x = 1
# # while x < 10:
# #     print(x)
# #     x = x + 1


# num = int(input('Enter no. of students'))
# x=0
# students = []
# while x<num:
#     name = input("Enter name")
#     students.append(name)
#     x+=1

# for student in students:
#     print(student)  

# x = 0
# while x < 10:
#     if x == 5:
#         break
#     print(x)
#     x+=1

# x = 0
# while x < 10:
 
#     x+=1
#     if x == 5:
#         continue
#     print(x)