#include <iostream>
#include <ctime>
#include <cstdint>
using namespace std;
 
#define ITERATIONS  (1000000000)
 
int main()
{
    volatile int64_t x;
    clock_t start = clock();
    for(int64_t i = ITERATIONS; i > 0;)
    {
        x = i--;
    }
 
    auto first_clock = clock() - start;
    start = clock();
    for(int64_t j = ITERATIONS; j > 0;)
    {
        x = --j;
    }
    auto last_clock = clock() - start;
 
    cout << first_clock << ' ' << last_clock << std::endl;
 
    return 0;
}

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