#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(void){
int n,n1,n2,n3,n4,n5,n6,i=0;
n1=n2=n3=n4=n5=n6=i=0;
srand(time(0));
L1:
n=rand()%49+1;
if((n==n1)||(n==n2)||(n==n3)||
(n==n4)||(n==n5)) goto L1;
printf("%d",n);
if(i==0) n1=n;
if(i==1) n2=n;
if(i==2) n3=n;
if(i==3) n4=n;
if(i==4) n5=n;
if(i==5) n6=n;
if(++i<6) { printf(" - "); goto L1; }
printf("\n");
return 0;
}