#include <stdio.h>
#include <stdlib.h>

// write your code here......

void Input(int* parr, int n)
{
	for (int i = 0; i < n; i++)
	{
		scanf("%d", parr + i); 
	}
}

int cal(int* array, int n)
{
	int count = 0;
	for (int i = 0; i < n; i++)
	{ 
		count += array[i]; 
	}
	return count; 
}

int main()
{
	int arr[100] = { 0 }; 
	int n = 0; 
	scanf("%d", &n); 
	Input(arr, n);  
	int ret = cal(arr, n); 
	printf("%d\n", ret); 
	return 0; 
}