#include <stdlib.h>
#include <stdio.h>
typedef struct node *link;

struct node {int item; link next;};

int main(int argc, char*argv[])
{
int i = 0;
int N = atoi(argv[1]);
int M = atoi(argv[2]);
link t = malloc(sizeof*t);
link x = t;
t -> item = 1;
t -> next = t;
printf("t:[%d]\n\n", t);

for(i = 2; i <= N; i++)
{
  x = (x->next = malloc(sizeof*x));
  x -> item = i;
  x -> next = t;
  printf("x[%d], x->item[%d], x->next[%d]\n\n", x, x->item, x->next);
}
while( x != x->next)
{
  for(i = 1; i < M; i++)
    x = x->next;
    x->next = x->next->next;
    printf("x[%d], x->item[%d], x->next[%d], x->next->next[%d]\n", x, x->item, x->next, x->next->next);
    N--;
}
printf("%d\n", x-> item);
}