_file_operations.java

import java.io.*;

import java.util.*;
public class java_notu {
	public static void main(String[] args) throws FileNotFoundException{
		File f= new File("/home/ayyuce/Desktop/java.txt");
		Scanner sc= new Scanner(f);
		String substr="", tmp="", str="";
		int[] arr= new int[3];
		int max= 0;
		int i, index;
		for(i=0; i<3;i++){
			
			str=sc.nextLine();
			index=str.indexOf(" ");
			tmp=str.substring(index+1);
			index=tmp.indexOf(" ");
		    substr=tmp.substring(index+1);
		    /*index=str.indexOf(" ");
		    tmp=str.substring(0,index);
		    System.out.println(tmp);*/
		      arr[i]=Integer.parseInt(substr);
		      if(arr[i]> max){
					max=arr[i];
					
					
				}
			
		}
		
	
			System.out.println(max);
			sc.close();
			
		}
      
		
	}