import java.util.Collections;
import java.util.Vector;
public class Main {
public static void main(String[] args) {
Vector v = new Vector();
v.add(new Double("3.4"));
v.add(new Double("3.3"));
v.add(new Double("4.4"));
v.add(new Double("5.3"));
v.add(new Double("3.3"));
Object obj = Collections.min(v);
System.out.println(obj);
}
}