[SW Expert Academy] 자릿수 더하기

*문제의 저작권은 SW Expert에 있습니다.
문제 링크 : https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QPRjqA10DFAUq&categoryId=AV5QPRjqA10DFAUq&categoryType=CODE

 

T = int(input())
T1 = int(T/1000)
T2 = int((T%1000)/100)
T3 = int((T%100)/10)
T4 = int(T%10)

result = T1+T2+T3+T4
print(result)