#include<stdio.h>
int main()
{
int n;
int num = 0;
scanf("%d");
while(scanf("%d",&n)!=EOF)
{
num +=n;
}
printf("%d",num);
return 0;
}

#include<stdio.h>
int main()
{
int n;
int num = 0;
scanf("%d");
while(scanf("%d",&n)!=EOF)
{
num +=n;
}
printf("%d",num);
return 0;
}