#include<stdio.h>
int main(){
	int a,b,c,l,m,n;
	scanf("%d %d %d",&a,&b,&c);
	scanf("%d %d %d",&l,&m,&n);
	if(l-a==1&&m<=b&&n<=c){
		printf("Y e s\n");
	}else if(l==a){
		printf("Y e s\n");
	}else if(a=7&&l==1&&m<=b&&n<=c){
		printf("Y e s\n");
	}else{
		printf("N o\n");
	}
	return 0;
}