#include <iostream>
#include <stdio.h>
using namespace std;

void test0()
{
    static const unsigned long a = 4026531840;
    unsigned long b = 4026531840;
    static const unsigned long c = 4026531840UL;
    printf("a=%u b=%u c=%u\n", a, b, c);
}

int main()
{
    test0();
    return 0;
}