英単語の主語と形容詞を入力し、文を表示する

import java.io.*;

public class ren12_2
{
public static void main(String[] args) throws IOException
{
BufferedReader br =
new BufferedReader(new InputStreamReader(System.in));

System.out.print("主語(単数)を入力 > ");
String a = br.readLine();
System.out.print("形容詞を入力 > ");
String c = br.readLine();
String b=" is ";
if(a.equals("I")){
b=" am ";
}else if(a.equals("You")){
b=" are ";
}else{
b=" is ";
}
System.out.print(a+b+c+".");
}
}