/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String x = Character.toString( 97 ) ;
        String y = Character.toString(  Character.toUpperCase( 97 ) ) ;
        String z = Character.toString(  Character.toTitleCase( 97 ) ) ;
 
        String faceWithMedicalMask = Character.toString(  Character.toTitleCase( 128_567 ) ) ;
 
        System.out.println( x ) ;
        System.out.println( y ) ;
        System.out.println( z ) ;
        System.out.println( faceWithMedicalMask ) ;
	}
}

LyogcGFja2FnZSB3aGF0ZXZlcjsgLy8gZG9uJ3QgcGxhY2UgcGFja2FnZSBuYW1lISAqLwoKaW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CmltcG9ydCBqYXZhLmlvLio7CgovKiBOYW1lIG9mIHRoZSBjbGFzcyBoYXMgdG8gYmUgIk1haW4iIG9ubHkgaWYgdGhlIGNsYXNzIGlzIHB1YmxpYy4gKi8KY2xhc3MgSWRlb25lCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbgoJewoJCVN0cmluZyB4ID0gQ2hhcmFjdGVyLnRvU3RyaW5nKCA5NyApIDsKICAgICAgICBTdHJpbmcgeSA9IENoYXJhY3Rlci50b1N0cmluZyggIENoYXJhY3Rlci50b1VwcGVyQ2FzZSggOTcgKSApIDsKICAgICAgICBTdHJpbmcgeiA9IENoYXJhY3Rlci50b1N0cmluZyggIENoYXJhY3Rlci50b1RpdGxlQ2FzZSggOTcgKSApIDsKCiAgICAgICAgU3RyaW5nIGZhY2VXaXRoTWVkaWNhbE1hc2sgPSBDaGFyYWN0ZXIudG9TdHJpbmcoICBDaGFyYWN0ZXIudG9UaXRsZUNhc2UoIDEyOF81NjcgKSApIDsKCiAgICAgICAgU3lzdGVtLm91dC5wcmludGxuKCB4ICkgOwogICAgICAgIFN5c3RlbS5vdXQucHJpbnRsbiggeSApIDsKICAgICAgICBTeXN0ZW0ub3V0LnByaW50bG4oIHogKSA7CiAgICAgICAgU3lzdGVtLm91dC5wcmludGxuKCBmYWNlV2l0aE1lZGljYWxNYXNrICkgOwoJfQp9