#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c;
    cin>>a>>b>>c;
    cout<<a+b+c;
    return 0;
}

#include <bits/stdc++.h> using namespace std;

int main() { int a, b, c; cin >> a >> b >> c; cout << a +b+c; return 0; }