#include <stdio.h>

#define THREE 3
//---------------------------------------------------------------------------------------
//                                              Exercise 3
//                                              ----------
//
// General : The program prints the smallest power of 3 larger than the input.
//
// Input   : Number.
//
// Process : The program check all power of 3 until that is smaller than input.
//
// Output  : Number.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : None
// Date       : 23.09.2019
//---------------------------------------------------------------------------------------
void main(void)
{
    unsigned short num;
    unsigned int result;

    printf("Enter number: ");
    scanf("%hd", &num);
    for (result = THREE; num > result; result *= THREE);

    printf("%d\n", result);
    
}