class smn {
  public static void main(String args[]) {
    System.out.println("import java.math.BigInteger;");
    System.out.println("public class Addition {");
    System.out.println("  public static void main(String args[]) {");
    System.out.println("    BigInteger m=new BigInteger(\""+ args[0] + "\");");
    System.out.println("    BigInteger n=new BigInteger(args[0]);");
    System.out.println("    while (n.compareTo(BigInteger.ZERO) > 0)  {");
    System.out.println("      n = n.subtract(BigInteger.ONE);");
    System.out.println("      m = m.add(BigInteger.ONE);");
    System.out.println("    }");
    System.out.println("    System.out.println(m.toString());");
    System.out.println("  }");
    System.out.println("}");
  }
}