C :

#include<stdio.h>
int main()
{
	int m,n,i,a = 0;
	scanf("%d%d",&m,&n);
	i=m;
	while(i<=n)
	{     
	      if(i%3==0&&(i%10==5||i/10%10==5||i/100%10==5))
		  {a=a+1;
		        if ((a - 1) % 3 != 0)
				{
					printf("\t");
				}
	      printf("%d",i);
		  if(a%3==0)
		  printf("\n");
	}
		  i=i+1;
	}
	return 0;
}

C++ :

#include<stdio.h>
int main()
{
	int m,n,i,count = 0;
	scanf ("%d%d",&m,&n); 
	for(i = m ; i <= n ; i ++)
	{
		if((i % 3 == 0) && (i % 10 == 5 || i / 10 % 10 == 5 || i / 100 == 5))
		{
			count ++;
			if (count % 3 == 1)
				printf("%d", i);
			else if (count % 3 == 2)
				printf ("\t%d",i);
		
			else
				printf ("\t%d\n",i);
		}
	}
	return 0;
}