#include <stdio.h>
#include <math.h>

main(int argc, char** argv) {

 FILE *f; int c1=0,c2=0,f1=0; char c;

 if((f=fopen(argv[1],"r")) != NULL) {

  while((c=fgetc(f))!='\n') c1++; 
  fseek(f,c1-1,SEEK_SET);

  while((c=fgetc(f))!=' ') {
   fseek(f,c1-1,SEEK_SET); c1--;
   f1+=atoi(&c) * pow(10,c2); c2++;
  }
 }
 printf("%d",f1);
}