# include <stdio.h>
# include <stdlib.h>

int main ( )
{
  int i;
  int p;
  int v;

  for ( i = 0; i <= 15; i++ )
  {
    if ( i == 0 )
    {
      p = 1;
      v = 2;
    }
    else
    {
      p = 2 * p;
      v = v * v;
    }
    printf ( "  2^%d = %d\n", p, v );
  }
  return 0;
}