#include <stdlib.h>
#include <stdio.h>
#define INDEX_WEIRDNESS 2

int main(int argc, char *argv[]) {
  int sz = strtol(argv[1], NULL, 0);
  int killi = strtol(argv[2], NULL, 0);
  int* dudes = (int *) malloc(sz * sizeof(int));
  int checks = 0, dead = 0, first = 1, i;
  while(1) {
    for(i=0;i<sz;i++) {
      if(!first && dudes[i] < 0)
        continue;
      if(dead == (sz - 1)) {
        printf("Survivor: %d\n", (i+INDEX_WEIRDNESS));
        exit(0);
      }
      if(((++checks) % killi) == 0) {
        dudes[i] = -1;
        dead++;
      } else if(first)
        dudes[i] = 1;
    }
    first = 0;
  }
}