 DASHA135111 
                                                19.07.2019 07:30
                                                
                                                DASHA135111 
                                                19.07.2019 07:30
                                             kravcovleonid5 
                                                19.07.2019 07:30
                                                
                                                kravcovleonid5 
                                                19.07.2019 07:30
                                             berezovskayati 
                                                19.07.2019 07:30
                                                
                                                berezovskayati 
                                                19.07.2019 07:30
                                             alenka199918 
                                                19.07.2019 07:30
                                                
                                                alenka199918 
                                                19.07.2019 07:30
                                             shmiganastya06 
                                                19.07.2019 07:30
                                                
                                                shmiganastya06 
                                                19.07.2019 07:30
                                             YourMango 
                                                19.07.2019 07:30
                                                
                                                YourMango 
                                                19.07.2019 07:30
                                             kenetic213232 
                                                19.07.2019 07:30
                                                
                                                kenetic213232 
                                                19.07.2019 07:30
                                             marypawgamesyt 
                                                19.07.2019 07:30
                                                
                                                marypawgamesyt 
                                                19.07.2019 07:30
                                            
f(15)=72+8*15=192
f(20)=72+8*20=232