View Code of Problem 92

#include<stdio.h>
int main()
{
 int m,n,c,b,k,p,q,r,leap;
 scanf("%d%d",&m,&n);
 r=0;
 leap=0;
 for(k=m;k>=m&&k<=n;k++)
 {
  b=0;
  p=k;
  while(k>0)
  {
   c=k%10;
   b=b*10+c;
   k=k/10;
  }
  if(b==p)
  {
   for(q=2;q<p;q++)
    if(p%q==0)
     break;
   if(q==p)
   {
    leap=1;
          r=r+1;
   }
   else
    leap=0;
  }
  else
   leap=0;
  k = p;
 
 if(leap==1)
 {
  printf("%d ",p);
 if(r%5==0)
  printf("\n");
 }
 }
  printf("\n");
 return 0;
}