#include <stdio.h>

int main(int argc, char *argv[])
{
    int sum=0,a;
    char c;
    while(scanf("%d",&a)!=EOF)
    {
        c=fgetc(stdin);
        if(c=='\n')
        {
            printf("%d\n",sum+a);
            sum = 0;
        }
        else sum+=a;

    }
	return 0;
}