Please write pseudo code for this program

import java.util.*;

public class EfficientComputationOfFibonacciNumbers {

// Computes the nth term of the fibonacci sequence

public static long fib(long n)

{

long fibonacci1, fibonacci2, fibonacci3;

if(n <= 1)

return 1;

else

{

fibonacci1 = 0;

fibonacci2 = 1;

fibonacci3 = 0;

for(int i = 0; i < n; i++)

{

fibonacci3 = fibonacci1 + fibonacci2;

fibonacci1 = fibonacci2;

fibonacci2 = fibonacci3;

}

return fibonacci3;

}

}

public static void main(String [] args)

{

Scanner user = new Scanner(System.in);

// gets the integer from the user

System.out.println("Enter any positive integer: ");

int number = user.nextInt();

/* Determines the time of a function call */

double currentTimeNanoSec = System.nanoTime();

double previousTimeNanoSec, elapsedTimeNanoSec;

double elapsedTimeMilliSec, elapsedTimeSec;

for(int x = 0; x <= 5; x++)

{

// Records time before the method is called

previousTimeNanoSec = currentTimeNanoSec;

System.out.println("-----------------------------");

System.out.print("The fibonacci number at position: ");

System.out.print((number + x) + " is ");

// Computes and prints fibonacci number for the next number

System.out.println(fib(number + x));

// Records time after the method is called

currentTimeNanoSec = System.nanoTime();

// Computes elapsed time in nanoseconds

elapsedTimeNanoSec = currentTimeNanoSec - previousTimeNanoSec;

// Converts nanoseconds to milliseconds

elapsedTimeMilliSec = elapsedTimeNanoSec / 1000000;

// Converts milliseconds to seconds

elapsedTimeSec = elapsedTimeMilliSec / 1000;

// Prints time in seconds and milliseconds

System.out.println("Computed time in Seconds: " + elapsedTimeSec + " MilliSeconds: " +

elapsedTimeMilliSec + " NanoSeconds: " + currentTimeNanoSec);

System.out.println("");

}

}

}