import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner scn = new Scanner(System.in);
boolean loop = true;
while(loop){
int op = sc.next().charAt(0);
if(op == "+"){
int n1 = scn.nextInt();
int n2 = scn.nextInt();
int ans = n1+n2;
System.out.println(ans);
}else if(op == "-"){
int n1 = scn.nextInt();
int n2 = scn.nextInt();
int ans = n1-n2;
System.out.println(ans);
}else if(op == "*"){
int n1 = scn.nextInt();
int n2 = scn.nextInt();
int ans = n1*n2;
System.out.println(ans);
}else if(op == "/"){
int n1 = scn.nextInt();
int n2 = scn.nextInt();
int ans = (int)(n1/n2);
System.out.println(ans);
}else if(op == "X" || op == "x"){
break;
}else{
System.out.println("Invalid operation. Try again.");
}
}
}
}
I cannot understand why am i getting the error: incomparable types: int and String