#include<bits/stdc++.h>
#define all(v) v.begin(),v.end()
using namespace std;
typedef long long ll;
const ll INF=1000000010;
const ll MOD=1000000007;
const ll LINF=4000000000000000000;
const long double EPS=1e-9;
typedef pair<int,int> P;
int main(){
    int a,b,c;cin>>a>>b>>c;
    cout<<a+b+c<<endl;
}   

