#include <stdio.h>
int main(void) {
int n;
int sum=0;
while(n>0){
int ld= n%10;
sum= sum+ld;
n=n/10;
}
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CglpbnQgbjsKICAgIHByaW50ZigiRW50ZXIgdGhlIG51bWJlcjogIik7CiAgICBzY2FuZigiJWQiLCZuKTsKCiAgIAogICAgaW50IHN1bT0wOwoKICAgIHdoaWxlKG4+MCl7CiAgICAgaW50IGxkPSBuJTEwOwogICAgIHN1bT0gc3VtK2xkOwogICAgIG49bi8xMDsKICAgIH0KICAgICAgcHJpbnRmKCIgVGhlIHN1bSBpcyAlZCIsc3VtKTsKCXJldHVybiAwOwp9Cg==