
#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; |
} |
} |
} |



