#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
#define maxn 10000 |
int sum[maxn] = {0}; |
void Add( char *a); |
int main() |
{ |
int i; |
char num[maxn]; |
while ( scanf ( "%s" , num)) |
{ |
if (! strcmp (num, "0" )) break ; |
Add(num); |
} |
for (i=0; i<=maxn; i++) |
{ |
if (sum[i]) |
break ; |
} |
for (; i<=maxn; i++) printf ( "%d" , sum[i]); |
printf ( "\n" ); |
return 0; |
} |
void Add( char *a) |
{ |
int len = 0, i, j; |
len = strlen (a); |
for (i=len-1, j=maxn; i>=0; i--, j--) |
{ |
sum[j] += a[i]- '0' ; |
if (sum[j]>=10) |
{ |
sum[j] = sum[j]-10; |
sum[j-1] += 1; |
} |
} |
} |