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

int main()
{


FILE *fw;
int i,k;
if ((fw=fopen("data.txt","w"))== NULL){
printf("Soubor nelze otevrit");
return 1;

}

printf("\nZadej cislo:\n");
if(scanf("%d",&k)!=1){
printf("Chyba zadani");

return 1;

}
for (i=0;i<=(10*k);i+=k){
printf("%d\n",i);
fprintf(fw,"%d*",i);
}

if ((fclose(fw))==EOF){
printf("Soubor nelze uzavrit:");
return 1;


}
return 0;
}