PAT 1001

#include<cstdio>
#include<algorithm>
#include<stdlib.h>
#include<cstring>
#include<math.h>

int main()
{
	int  a,b,c,d[3]={};
	scanf("%d%d",&a,&b);
	c=a+b;
	int i=0;
	if(c<0)
	{
		printf("-");
		c=-c;
	}
	do
	{
		d[i]=c%1000;
		c/=1000;
		i++;
	}while(c!=0);
	
	if(d[2]!=0)
		{
			printf("%d",d[2]);
			printf(",");
			printf("%03d",d[1]);
			printf(",");
			printf("%03d",d[0]);
		}
	else if(d[1]!=0)
	{
		printf("%d",d[1]);
		printf(",");
		printf("%03d",d[0]);
	}
	else 
	{
		printf("%d",d[0]);
	}
	system("pause");
	return 0;
}