C :

#include<stdio.h>
#include<math.h>
#define N 1500000
int a[N];
int main()
{
    int i,j,b = 1;
    int m,n,t;
    int x,k;
    scanf("%d%d",&m,&n);
    if(n<=100)
    t = 100;
    else if(n >= 100 && n <= 1000)
    t = 1000;
    else if(n >= 1000 && n <= 10000)
    t = 10000;
    else if(n >= 10000 && n <= 100000)
    t = 100000;
    else if(n >= 100000 && n <= 1000000)
    t = 1000000;
    for(i = 0;i < t;i++)
    a[i] = i;
    a[1] = 0;
    for(i = 2;i < t;i++)
    {
        if(a[i]==0)
        continue;
        j = i;
        do
        {
            j += i;
            if(j >t)
            break;
            a[j] = 0;
        }
        while(j < t);
    }
    for(i = m;i <= n;i++)
    {
        if(a[i]!=0)
        {
        	k = a[i];
        	x = 0;
        	do
			{
			   x = k%10 + x*10;
			   k/=10;
		    }
	    	while(k!=0);
	    	if(a[x]!=0)
	    	{
	    		if(b == 1)
	    		printf("%d",a[i]);
	    		else if(b == 10)
	    		{
	    			printf(" %d\n",a[i]);
	    		}
	    		else
		    	{
		    		printf(" %d",a[i]);
		    	}
		    	if(b == 10)
		    	b = 0;
		    	b++;	
	    	}
        }
    }
    return 0;
}

C++ :

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<stdlib.h>
const int M = 1000000; 
bool mark[M];
void Seive()
{
	memset(mark,1,sizeof(mark));
	mark[0] = mark[1] = 0;
	for(int i = 2;i <= sqrt(M);i++)
	{
		if(mark[i])
		{
			for(int j = i*i; j< M;j+=i)
				mark[j] = 0;
		}
	}
}
int Invert(int x)
{
	int temp = 0,b = 1;
	char a[8];
	int i = 0;
	while(x >= 10)
	{
		a[i] = x%10 +48;
		i++;
		x /= 10;
	}
	a[i] = x + 48;
	a[++i] = '\0';
	temp = atoi(a);
	return temp;
}
int main()
{
	Seive();
	int m,n,temp,conter = 0;
	scanf("%d %d",&m,&n);
	for(int i = m;i <= n;i++)
	{
		if(mark[i])
		{
			temp = Invert(i);
			if(mark[temp])
			{
				conter++;
				printf("%d",i);
				if(conter % 10 != 0)
					printf(" ");
				else
					printf("\n");
			}
		}
		else
			continue;
	}
	return 0;
}