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

int max3(a, b, c)
{
  int result = a;
  if (b > a) result  = b;
  if (c > result) result = c;
  return result;
}

int
main(argc, argv)
     char **argv;
{
  printf("%d\n", max3(atoi(argv[1]),
                      atoi(argv[2]),
                      atoi(argv[3])));
  return 0;
}