// Example program
#include<iostream>
#include<string>
#include<functional>
using namespacestd ;
intmain() {
int number , num ;
cout << "Enter a number :";
cin >> num ;
number = num ;
int counter = 0 ;
while ( num!=0)
{
num = num / 10 ;
counter++;
}
int d = 1 ;
for (int i = 1 ; i <= counter -1 ; i++ )
{
d = d * 10 ;
}
int j = d ;
while (j<number)
{
bool flag = true ;
for ( int k = 2 ; k <= j/2;k++)
{
if (j % k == 0 )
{
flag = false ;
break ;
}
}
if (flag == true )
{
cout << number << endl;
cout << j << endl;
break;
}
j++;
}
return0 ;
}