check1 and check2

#include <stdio.h>

bool check1(unsigned int num)
{
        bool odd = false;
        while(num)
        {
            odd = !odd;
            num = num & (num-1);
        }

        return odd;
}

bool check2(unsigned int x)
{
unsigned int val=0;

while(x)
{
        val^= x&0x1;

        x = x>>1;

}
return val&0x1;
}


int main()
{
         for(unsigned int a = 0x33; a<0x55; a++)

        printf("%x-->check1(%d), check2(%d)\n", a,check1(a), check2(a));


}