#include <stdio.h>

int main(void) {
  char *bla = "Start: 23 43 Stopp: 12 14 OWL: no 14.3";

  float overlap;
  int start_one, start_two, end_one, end_two;
  sscanf(bla, "%*s %d %d %*s %d %d %*s %*s %f", &start_one,
               &start_two, &end_one, &end_two, &overlap);
               
   printf("%d %d %d %d %f", start_one, start_two, end_one, end_two, overlap);
   return 0;
}