#include<stdio.h>

int main(){
	int a,b;
	FILE *in, *out;
	in=fopen ("adunare.in","r");
  	if (in==NULL) 
		perror ("Error opening file");
	else{
		fscanf(in,"%d",&a);
		fscanf(in,"%d",&b);
	}
	fclose(in);
	out=fopen ("adunare.out","w");
	if (out==NULL) perror ("Error opening file");
	else{
		fprintf(out,"%d",a+b);
	}
	fclose(out);
return 0;
}