public class IO {
static double in(double bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextDouble();
return bien;
}
static byte in(byte bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextByte();
return bien;
}
static int in(int bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextInt();
return bien;
}
static short in(short bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextShort();
return bien;
}
static long in(long bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextLong();
return bien;
}
static boolean in(boolean bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.nextBoolean();
return bien;
}
static char in(char bien, String noiDungNhap){
Scanner kb= new Scanner(System.in);
System.out.print(noiDungNhap);
bien = kb.next().charAt(0);
return bien;
}
}