#include <stdio.h>
#include <stdlib.h> 
 
 
int main()
{
   int number;  // declaring an integer variable
   printf("Enter an integer: "); 
   scanf("%d",&number);  //reads the number
   printf("In decimal number system => %d\n",number);   // displays the number in decimal number system
   printf("In hexadecimal number system => %x\n",number);  // displays the number in hexadecimal number system
   printf("In octal number system => %o\n",number);   // displays the number in octal number system
   system("pause");
   return 0;
}