View Code of Problem 92

#include<stdio.h>
int main()
{
	int m,n,i,j,flag,k=1;
	scanf("%d%d",&m,&n);
	for(i=m;i<=n;i++)
	{
		flag=1;
		for(j=2;j<=i-1;j++)
		{
			if(i%j==0)
			{
				flag=0;
				break;
			}
		}
		if(flag==1)
		{
			int a=i,sum=0;
			while(a>0)
			{
				sum=sum*10+a%10;
				a=a/10;
			}
			if(sum==i)
			{
				printf("%6d",i);
				if(k%5==0)
				{
					printf("\n");
				}
					k++;
			}
		}
	}
	return 0;
}