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package javaapplication3;
import java.io.*;
public class JavaApplication3 {
    public static String zamiana(String a)
    {
            char tab[];
            tab=a.toCharArray();
            String b= "";
            for (int j=a.length()-1; j>=0; j--)
            {
                b=b+tab[j];
            }
       return b;
    }
    public static void main(String[] args)throws IOException {
        System.out.print(zamiana("komputer"));
    }

}