/*

* Write a program to demonstrate the knowledge of

* students in advanced concepts of Java string handling.

* Sample input/output:

* 1. TTATGTTTTAAGGATGGGGCGTTAGTT - TTT, GGGCGT

* 2. TTTATGTTTATG - TTT

* 3. TTTATGATF - No Genes

*/

import java.util.Scanner;

public class Genes {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.print("Enter sequence: ");

String in = sc.nextLine();

String[] arr = in.split("ATG|TAG|TAA|TGA");

System.out.println("Gene sequence is: ");

int found = 0;

if (in.indexOf(arr[0]) != 0) {

System.out.println(arr[0]);

}

for (int i = 1; i < arr.length; i++) {

if (arr[i].length() % 3 == 0) {

found = 1;

System.out.println(arr[i]);

}

}

if (found == 0)

System.out.println("No genes");

}

}