import java.util.*;import java.math.*;public class Main{    public static void main(String args[]){       Scanner cin = new Scanner(System.in);       BigInteger a, b;             //以文件EOF结束       while (cin.hasNext()){           a = cin.nextBigInteger();           b = cin.nextBigInteger();                     System.out.println(a.add(b)); //大整数加法           System.out.println(a.subtract(b)); //大整数减法           System.out.println(a.multiply(b)); //大整数乘法           System.out.println(a.divide(b)); //大整数除法(取整)           System.out.println(a.remainder(b)); //大整数取模                     //大整数的比较           if( a.compareTo(b) == 0 ) System.out.println("a == b"); //大整数a==b           else if( a.compareTo(b) > 0 ) System.out.println("a > b"); //大整数a>b           else if( a.compareTo(b) < 0 ) System.out.println("a < b"); //大整数a