#include<bits/stdc++.h>
using namespace std ;
typedef long long int ll; 
typedef long double ld;
#define PB push_back
#define MP make_pair
#define F first 
#define S second 
#define P push
#define vvi vector<vector<ll> >
#define vi vector<ll>  
#define vpi vector< pair<ll,ll> >  
#define sz(a) (ll)a.size()
const ll N = 1e9 + 7 , N1 =  1e6+4;              
signed main()
{   
string t;
cin>>t;
cout<<t[0]<<t[1]<<t[2];
return 0;
}
