#include <fstream>
#include<iostream>
#include <ostream>
using namespace std;
int main(){
int a,b,c;
cin>>a>>b>>c;
if(a>0&b>0&c>0){
cout<<a<<endl;
cout<<b<<endl;
cout<<c<<endl;
}else if(a>0&b>0&c<=0){
cout<<a<<endl;
cout<<b<<endl;
}else if(a>0&b<=0&c>0){
cout<<a<<endl;
cout<<c<<endl;
}else if(a<=0&b>0&c>0){
cout<<b<<endl;
cout<<c<<endl;
}else if(a>0&b<=0&c<=0){
cout<<a;
}else if(a<=0&b<=0&c>0){
cout<<c;
}else if(a<=0&b<=0&c<=0){
cout<<" ";
}else if(a<=0&b>0&c<0){
cout<<b;
}else{
cout<<a<<endl;
cout<<b<<endl;
cout<<c<<endl;
}
}
