#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<(n); i++)
using namespace std;
typedef long long ll;

int main(){
	int b,g; cin>>b>>g;
	if(b<g) cout << "YES" << endl;
	else cout << "NO" << endl;
	if(b==g) cout << 1 << endl;
	else if(b>g) cout << b-g+1 << endl;
	else cout << g-b-1 << endl;	
}