Base = {}
Base.field = 0

function Base:setField(value)
    self.field = value
end

function Base:getField()
    return self.field
end

local start = os.time()
local base = {}
setmetatable(base, {__index = Base})
local i = 0
while i < 10000 do
    local j = 0
    while j < 10000 do
        if (i + j) % 2 == 0 then
            base:setField(base:getField() + 1)
        end
        j = j + 1
    end
    i = i + 1
end

--print(base:getField())
print(os.time() - start)

import time

class Base(object):
    def __init__(self):
        self.field = 0
    def setField(self, value):
        self.field = value
    def getField(self):
        return self.field
       
start = time.time()
base = Base()
i = 0
while i < 10000:
    j = 0
    while j < 10000:
        if (i + j) % 2 == 0:
            base.setField(base.getField() + 1)
        j += 1
    i += 1

#print(base.getField())
print int(round(time.time() - start))

#include <iostream>
#include <ctime>
using namespace std;

class Base {
protected:
    int field;
public:
    Base() {
        field = 0;
    }
    void setField(int value) {
        field = value;
    }
    
    int getField() {
        return field;
    }
};

int main() {
    Base base;
    time_t start = time (NULL);
    int i = 0;
    while (i < 10000) {
        int j = 0;
        while (j < 10000) {
            if ((i + j) % 2 == 0) {
                base.setField(base.getField() + 1);
            }
            ++j;
        }
        ++i;
    }
    cout << base.getField() << endl;
    cout << time(NULL) - start << endl;
    return 0;
}