#include <stdio.h> 
  #include <stdlib.h> 
   
   
  int main(int argc, char *argv[]) 
  {  
    int sayi,hex,c=0; 
    printf("Bir sayi giriniz : "); 
    scanf("%d",&sayi); 
    int dizi[15],reverse[15]; 
     
    while(sayi>16) 
    { 
      dizi[c]=sayi%16; 
      sayi=sayi/16; 
      c++;                         
    } 
    dizi[c]=sayi; 
     
    int i,j=c; 
    for(i=0;i<=c;i++) 
    { 
     reverse[j]=dizi[i]; 
     j--; 
     } 
       for(i=0;i<=c;i++) 
       { 
        switch(reverse[i]){ 
        case 10:printf("A");break; 
        case 11:printf("B");break; 
        case 12:printf("C");break; 
        case 13:printf("D");break; 
        case 14:printf("E");break; 
        case 15:printf("F");break; 
        default:printf("%d",reverse[i]); 
                 } 
       } 
   
     
   
    system("PAUSE");	 
    return 0; 
  }