Something

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

int main(void){
    int i,j,k,l,m, randomnumber;  
    time_t t;
    time (&t);
    srand(t);
    printf("How many coupons do you want?\n");
    scanf("%d",&j);
    while(j>15){
                printf("You aren't allowed to take more than 15 coupons, decide on a new number!\n");
                scanf("%d",&j);
                }
    for(i=1;i<14;i++){                               
       printf("\n");
       printf("match %d :",i);
       for(k=0;k<j;k++){
          randomnumber = rand() % 3;
          if (randomnumber==0){
             printf("|1  |");
          }
          if (randomnumber==1){
             printf("| x |");
             }
          if (randomnumber==2){
             printf("|  2|");
             }
        }
   }      
}