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#include <stdio.h>
#include <conio.h>
//#define MAXNUM 2000
int xx;
long sum=0;
long int j=0;
long ReadDat(void)
{ FILE *fp;int i=0;
if((fp = fopen("in.txt", "r")) == NULL) return -1 ;
while(!feof(fp)){fscanf(fp, "%d,", &xx]);sum+=xx;}
fclose(fp);return sum;}
void main()
{//int i,a;
//for(i=0;i <MAXNUM;i++)xx[i]=0;
//if(ReadDat()) {printf("TYPE IN.DAT ERROR!\007\n");return;}
//for(a=0;a <MAXNUM;a++){j=j+xx[a];}
long sum=ReadDat();
if(sum!=-1)
printf("INT=%d",sum);getchar();
}