#include<stdio.h>                                                                   void main()                                                                   

{                                                                            

 int x,y,z;                                                                  

 printf("\nPleace enter x: ");                                                

 scanf("%d",&x);                                                             

 printf("\nPleace enter y: ");                                               

 scanf("%d",&y);                                                             

 z = 31 + x * (x + y);                                                       

 printf("\nResult (decimal) Z = %d",z);                                      

 printf("\nResult (octal) Z = %o",z);                                        

 printf("\nResult (hexandecimal) Z = %x",z);                                 

 }  

Pleace enter x: 31

Pleace enter y: 1

Result (decimal) Z = 31

Result (octal) Z = 37

Result (hexandecimal) Z = 1f

1f(16) → ? (10).

1f (16) = 1 · 16 + 15 · 16 = 31