#include  <iostream>

using namespace std;

int GetLength(char* str) // ['m','a','r','i','a','m','i','\0']
{
	int i = 0;
	int counter = 0;
	while (str[i] != '\0')
	{
		counter++;
		i++;
	}

	return counter;
}

int stringToInt(char* str)
{
	int length = GetLength(str);
	int result = 0;


	//540
	for (int i = 0; i < length; i++)
	{
		result = result * 10 + (str[i] - '0');  // '0' = 48
	}

	return result;
}




int main()
{


	char Array[] = {"14955"};


	int res = stringToInt(Array);

	cout << res;






	cin.get();
	cin.get();
	return 0;
}