#include <iostream>
#include <vector>
#include <numeric>
using namespace std;
 
 
int main() {
	vector<int> sample;
	int Number;
	while(cin>>Number) sample.push_back(Number);
	cout<<accumulate(sample.begin(),sample.end(),0);
	// your code goes here
	return 0;
}

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MSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEgMSAxIDEg

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