#include <iostream>
#include <iomanip>
 
void fieldprint(int);
 
int colno = 0;
 #define MAXCOLS 5
 
main ()
{
 int i;
 for (i=1;i<=20;i++) fieldprint(i);
 cout << endl;
 }
 
void fieldprint(int n)
{
 cout << setw(5) << n;
 if (++colno == MAXCOLS)
   {
    cout << endl;
    colno = 0;
   }
}