#include<stdio.h>
#include<stdlib.h>



int main(int argc,char** argv){

  FILE * fp;
  int a;
  int b;

  if((fp=fopen("adunare.in","r"))==NULL){
     perror("adunare.in :");
     return 1;
  }
  
  fscanf(fp,"%d",&a);
  fscanf(fp,"%d",&b);

  fclose(fp);

  if((fp=fopen("adunare.out","w"))==NULL){
     perror("adunare.out :");
     return 1;
  }
       
  fprintf(fp,"%d",a+b);

  fclose(fp);

  return 0;

}