#include <stdio.h>

int main()
{
    int x = 11;

    printf("\n");
    printf(" x=%d\n", x);
    printf("\n");

    printf(" 0 << x = %d\n",  0 << x);
    printf(" 0 >> x = %d\n",  0 >> x);
    printf("-1 >> x = %d\n", -1 >> x);
    printf("\n");

    printf(" x &  0 = %d\n", x & 0);
    printf(" x *  0 = %d\n", x * 0);
    printf(" x | -1 = %d\n", x | -1);
    printf(" x %  1 = %d\n", x %  1);
    printf(" x /  1 = %d\n", x /  1);
    printf("\n");

    /* filter out NOP operations like x*1, x-0, x&-1... */
    printf(" x *  1 = %d\n", x * 1);
    printf(" x -  0 = %d\n", x - 0);
    printf(" x & -1 = %d\n", x - 0);
    printf("\n");
    return 0;
}