int logic;   

    int a = 1;
    int b = 2;
    int c = 3;

    logic = a+b>c&&b<=c;
    printf("logic = %d\n", logic);

    logic = a>=b+c||b==c;
    printf("logic = %d\n", logic);

    logic = !(a<c)+b!=1&&(a+c)/2;
    printf("logic = %d\n", logic);
    getchar();
}