Guessing Number Game in C

#include<stdio.h>

#include<stdlib.h>

#include<time.h>

int main(){

   int n,randno,chances=0;

   srand(time(NULL));

   randno=rand()%12;

   while(chances<3){

       printf("\nGuess a number:");

       scanf("%d",&n);

       if(randno==n){

          printf("\nCongratulations! You guessed correct number.");

          break;

       }

       else{

          printf("\nSorry Try Again.");

          chances++;

       }

       if(chances==3)

          printf("\nBetter Luck Next Time.\nNumber is %d.",randno);

   }     

   return 0;

}