//Chuong trinh liet ke cac so nguyen to <n (2<n<=100)

#include<iostream.h>;
#include <iomanip.h>;
int ngto(int n);
void nhapn(int &n);
void demvaxuat(int n);

//ham kiem tra so nguyen to dua vao so uoc
int ngto(int n)  
{
    int dem=0;
    for (int i=1;i<=n;++i)
        if (n%i==0)
			dem = dem + 1;
        if ( dem == 2 )
			return 1; // la so nguyen to
        else
			return 0; // ko phai so nguyen to
}

//ham nhap 2<n<=100)

void nhapn(int &n)
{
	do 
	{
		cout<<"Nhap n:";
		cin>>n;
	} while (n<2||n>100);
}

//Dem va xuat so nguyen to
void demvaxuat(int n)
{
	int dem=0;
	for (int i=2;i<n;i++)
	{
		if (ngto(i))
		{
			cout<<i<<setw(4);
			dem++;
		}
	}
}

//Ham main
void main()
{
	int n;
	nhapn(n);
	demvaxuat(n);
}