# include<iostream>
# include<conio.h>
using namespace std;
void main()
{
int value, x, i, j;
//input
cout<<"Enter the value to which you want to find the prime numbers ";
cin>>value;
//calculation
for ( i=3 ; i<=value ; i++)
{
x=1;
for (j=2 ; j<i ; j++)
{
if ((i%j)==0)
x=0;
}
if(x!=0)
cout<<i<<" is a prime number"<<endl;
}
getch();
}