import java.util.Scanner;
 
class Ideon {
    public static int atoi(String s) {
        int keta = 1;
        int n = 0;
        for (int i = s.length()-1; i >= 0; --i, keta *= 10) {
            char c = s.charAt(i);
            n += Character.getNumericValue(c) * keta;
        }
        return n;
    }
 
    public static void main(String args[]) {
        Scanner scan = new Scanner(System.in);
        while (scan.hasNext()) {
            String numstr = scan.nextLine();
            int n = Ideon.atoi(numstr);
            System.out.println(n);
        }
    }
}
 

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