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import java.util.Scanner;
class Test {
        public static void main(String[] args) throws Exception{
                Scanner sc = new Scanner(System.in);
                long num = sc.nextLong();
                String str = String.valueOf(Math.abs(num));
                System.out.println(str.length());
        }
}
2Â¥2014-09-29 22:53:56
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