#include <stdio.h>

int judge(int y, int m, int d) {
    if (1989<=y && y <= 2019) {
        if (y == 1989) {
            if (m == 1) {
                if (d <= 7)
                    return 0;
            }
        }
        if (y == 2019) {
            if (m >= 5) {
                return 0;
            }
        }
        return 1;
    }
    return 0;
}

int main (void) {
    int Y, M ,D;
    scanf("%d %d %d", &Y, &M, &D);
    if (judge(Y, M, D) == 1) {
        printf("Yes\n");
    } else {
        printf("No\n");
    }
    
    return 0;
}