POJ1503

#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
using namespace std;
int s[200];
char a[150];
int main()
{
    
    memset(s,0,sizeof(s));
    memset(a,0,sizeof(a));
    int k,i;
    while(cin.getline(a,150))
    {
         if(strcmp(a,"0")==0) break;
         int l=strlen(a);
         k=0,i=l-1;
         while(i>-1)
         s[k++]+=a[i--]-'0';
    }
    int carry=0;
    for(int j=0;j<200;j++)
    {
            s[j]+=carry;
            if(s[j]>9)
            {
                      carry=s[j]/10;
                      s[j]%=10;
            }
            else carry=0;
    }
    k=199;
    while(s[k]==0) k--;
    while(k>-1) printf("%d",s[k]),k--;
    printf("\n");
    return 0;
}