int i,j,k,k1;
float t1,t2;
ackermann(m,n)
int m,n;
{
      if (m==0) return (n+1);
      if (n==0) return(ackermann(m-1,1));
      return(ackermann(m-1,ackermann(m,n-1)));
}
main(argc,argv)
int argc;
char *argv[];
{
	for (i = 0; i < 10; i++)
         j=ackermann(3,atoi(argv[1]));
}