text: #include <cmath>
  #include <cstdio>
  #include <vector>
  #include <iostream>
  #include <algorithm>
  using namespace std;
  
  
  int main() {
      int a, b, c;
      cin >> a >> b >> c;
      cout << a + b + c << endl;
      return 0;
  }
   
  