# include<stdio.h>
int main()
{
int i,a[500],x,flag,c,n,m;
c = 0;
scanf("%d,%d",&n,&m);
for(x = 2;x<=1000;x++)
{
flag = 0;
if(x%3==0)
flag = 1;
if(flag==1)
{
a[c] = x;
c++;
}
}
for(i = 0;i>=n&&i<=m;i++)
printf("%d",a[i]);
return 0;
}
结果如下: