#include <stdio.h>

int main()
{
	int a,b;
	FILE *f,*g;
	f = fopen("in.txt","r");
	g = fopen("out.txt","w");
	
	fscanf(f,"%d %d",&a,&b);
	fprintf(g,"%d",a+b);
	fclose(f);
	fclose(g);
	
	return 0;
}