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

#define rep(i, a, b) for (ll i = a; i < b; i++)
using ll = long long;

int main(){
    vector<int> a(3), b(3);
    rep(i, 0, 3) cin >> a[i];
    int k = 0;
    rep(i, 0, 3) rep(j, i + 1, 3) {
        b[k] = a[i] + a[j];
        k++;
    }
    sort(b.begin(), b.end());
    cout << b[1] << endl;
}