#include<stdlib.h>
#include<stdio.h>
int main(){
	
	int a,b,sum;
	FILE *f,*g;
	f=fopen("adunare.in","r+");

	int cit=fscanf(f,"%d%d",&a,&b);
	if(cit==2)
		sum=a+b;
	fclose(f);
	g=fopen("adunare.out","w+");

	if(cit==2)
		fprintf(g,"%d",sum);
	fclose(g);

	return 0;
}