//
//  main.c
//  Practice
//
//  Created by satoshi kouguchi on 2019/02/05.
//  Copyright © 2019 satoshi kouguchi. All rights reserved.
//

#include <stdio.h>

#include <stdlib.h>

#include <string.h>



int main(void)
{
    int male_count = 0;
    int female_count= 0;
    int pair_count = 0;
    char alert_message[10] = {'\0'};
    
    scanf("%d %d", &male_count, &female_count);
    
    if(male_count < female_count){
        strcpy(alert_message,"YES");
        pair_count = female_count - male_count - 1;
    } else {
        strcpy(alert_message,"NO");
        pair_count = female_count;
        pair_count = male_count - female_count + 1;
    }
    
    printf("%s\n",alert_message);
    printf("%d\n",pair_count);
}