#include<stdio.h>

int main(){
 int a,b,c,d,e,f,total1,total2,total;
 scanf("%d %d %d",&a,&b,&c);
 scanf("%d %d %d",&d,&e,&f);
 if(d==1&&a==7){
 	total1=b*60+c;
    total2=e*60+f;
 	total=1440+(total2-total1);
 	if(total>=0&&total<=1440) printf("Y e s\n");
    else printf("N o\n");
 }
 else{
 	
 if((d-a)<0){
 	printf("N o\n");
 }
 else{
 total1=b*60+c;
 total2=e*60+f;
 total=(d-a)*1440+(total2-total1);
 if(total>=0&&total<=1440) printf("Y e s\n");
 else printf("N o\n");
}

}
 return 0;
}