#include <stdio.h>
 
#include <stdlib.h>
 
#include <unistd.h>
 
 
 
int main()
 
{
 
   FILE *fp, *fpout;
 
 
 
   fp = fopen("../dbg/time_offset.txt","r");
 
   fpout = fopen("../dbg/time_offset_out.txt","w");
 
 
 
   int hosttime, hometime, difftime;
 
   fscanf(fp, "%d\n%d", &hosttime, &hometime);
 
 
 
   if(hosttime >= hometime)
 
   {
 
      difftime = hosttime - hometime;
 
//      printf("Host = %d\nHome = %d\nDifference = +%d\n", hosttime, hometime, difftime);
 
      fprintf(fpout, "+%d", difftime);
 
   }
 
   else
 
   {
 
      difftime = hometime - hosttime;
 
//      printf("Host = %d\nHome = %d\nDifference = -%d\n", hosttime, hometime, difftime);
 
      fprintf(fpout, "-%d", difftime);
 
   }
 
 
 
   fclose(fpout);
 
   fclose(fp);
 
 
 
   return 0;
 
}