/*#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}
*/
/*#include <stdio.h>
int main ()
{
int a,i;
int d;
d=0;
scanf("%d",&a);
for(i=0; i<=a; i=i+2){
d = d+i;
}
printf("%d",d);
return 0;
}
*/
#include <stdio.h>
int main ()
{
int b,s;
scanf("%d %d",&s,&b);
for(s=s%2==1; s<=b; s=s+2){
printf("%d ",s);
}
return 0;
}