import sys for line in sys.stdin: a = line.split() input=int(a[0]) sum=input%10 while input//10>0: input=input//10 sum += input%10 print(sum)
import sys for line in sys.stdin: a = line.split() input=int(a[0]) sum=input%10 while input//10>0: input=input//10 sum += input%10 print(sum)