#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<string.h>
#include<stdlib.h>

int main()
{
	FILE* in = fopen("adunare.in", "r");
	FILE* out = fopen("adunare.out", "w");
	int a, b, s;
	fscanf(in, "%d", &a);
	fscanf(in, "%d", &b);
	s = (a + b) % 2000000000;
	fprintf(out, "%d", s);
	fclose(in);
	fclose(out);
	return(0);
}