OJ Board

#include<bits/stdc++.h>
using namespace std;
int main()
{
char a[100000];
int i,j,k,l,n,m,sum,copy1,count1,x;
while(scanf("%s",&a)==1)
{
bool ll = false;
sum = 0;
copy1 = 0;
count1 = 0;
x= 0 ;
l = strlen(a);
if(l==1 && a[0]=='0') break;
for(i=0;i<l;i++)
sum = sum + a[i]-'0';
if(sum%9 ...