#include <iostream>
#include <vector>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)



int main() {
  int a; cin >> a;
  cout << (a/100) << (a/10%10) << (a%10) << endl;
  return 0;
}


struct ios_do_not_sync{
  ios_do_not_sync(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
  }
} ios_do_not_sync_instance;