//No.2371 最大の試練それは起床
#include <stdio.h>

int main(void){

    int H, M;
    scanf("%d %d", &H, &M);

    if((H == 7 && M >= 30) || (H == 8 && M <= 30)){
        printf("late\n");
    }
    else if(H == 7 && M < 30){
        printf("Yes\n");
    }
    else if(H == 8 && M > 30){
        printf("No\n");
    }
    else if(H < 7){
        printf("Yes\n");
    }
    else if(H > 8){
        printf("No\n");
    }

    return 0;
}