Untitled

#include<stdio.h>
#include<iostream>
#include<string.h>

#include <sstream>
using namespace std;

int main(){
	stringstream stream;
	string input;
	while(getline(cin,input)){
		stream.clear();
		stream<<input;
		int num=0;
		int sum=0;
		while(stream>>num){
			sum+=num;
		}
		printf("%d\n",sum);
	}
}