#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() 
{

    int Number_One, Number_Two, Number_Three;
    
    cin >> Number_One >> Number_Two >> Number_Three;
    
    cout << Number_One + Number_Two + Number_Three << endl;
    
    return 0;

}