// 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 ;

}