https://www.acmicpc.net/step/4
if else 문 사용
import java.util.Scanner;
public class Main{
public static void main(String args[]){
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
if(a>b)
System.out.println(">");
else if(a<b)
System.out.println("<");
else
System.out.println("==");
}
}