#include "stdio.h"
#include "stdlib.h"

int main()
{
	int N=2;
	scanf("%d",&N);

	int Number[500010];
	int Answer=0;

	for(int i=0;i<N;i++) {
		scanf("%d",&Number[i]);
	}

	for (int i = 0; i<N; i++) {
		Answer = Answer + Number[i];
	}

	printf("%d\n",Answer);

    return 0;
}