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#include <iostream>
using namespace std;
void init(bool arr[], unsigned size, bool value)
{
for (unsigned i = 0; i < size; i++)
arr[i] = value;
}
void sieveEratosthenes(bool arr[], unsigned size)
{
arr[0] = arr[1] = false;
for (unsigned i = 2; i < size; i++)
{
if (!arr[i]) //ако числото е задраскано
continue;
for (unsigned iter = i + i; iter < size; iter += i)
arr[iter] = false; //задраскваме
}
}
void printSieve(const bool arr[], unsigned size)
{
for (unsigned i = 0; i < size; i++)
{
if (arr[i])
cout << i << " ";
}
}
int main()
{
const unsigned MAX_SIZE = 1000;
bool arr[MAX_SIZE];
int n;
cin >> n;
init(arr, n, true);
sieveEratosthenes(arr, n);
printSieve(arr, n);
}
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