Decode_the_Mad_man.java

import java.util.*;
public class main{
    public static void main(String[] args) {
    	Scanner input = new Scanner(System.in);
    	while(input.hasNext()) {
    		String str = input.nextLine();
    		str = str.toLowerCase();
    		String result = "";
    		String str2 = "`1234567890-=qwertyuiop[]\\asdfghjkl;'zxcvbnm,./";
    		for(int i=0;i<str.length();i++) {
    			if(str.charAt(i) == ' ') {
    					result += " ";
    					continue;
    			}
    			for(int j=0;j<str2.length();j++) {
    				if(str.charAt(i) == str2.charAt(j)) {
    					result += str2.charAt(j-2);
    				}
    			}
    		}
    		
    		System.out.println(result);
    	}
    }
};