#include <stdio.h>
int main(){
    int a,b,c,d;
    scanf("%d %d %d %d",&a,&b,&c,&d);
    int e,f;
    e = c/b;
    f = a/d;
    if(c%b != 0){
        e=e+1;
    }
    if(a%d != 0){
        f=f+1;
    }
    if(f<e){
        printf("No");
    }else{
        printf("Yes");
    }
    printf("%d %d",e,f);
    return 0;
}
