#include<stdio.h>

int main(void){
    int Y,M,D;
    scanf("%d %d %d",&Y,&M,&D);
    if(1989<Y<2019){
        printf("Yes\n");
    }else if(Y==1989){
        if(M>1){
            printf("Yes\n");
        }else if(M==1 && D>7){
            printf("Yes\n");
        }else{
            printf("No\n");
        }
    }else if(Y==2019){
        if(M<4){
            printf("Yes\n");
        }else if(M==4 && D<31){
            printf("Yes\n");
        }else{
            printf("No\n");
        }
    }else if(Y<1989 || Y>2019){
        printf("No\n");
    }
    return 0;
}