a=int(input())//scsds
#yagdada
s ="1,2,3,4,5,6"
print(type(s),dir(s))
print(list(s))
number_3 = list(s)[4]
print(number_3)
s = s.replace(',','')
s = list(s)
s[2] = '777'
print(s)
print(int(s[1])+int(s[4]))