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

int main(void)
{
	int iNum[2];
	const int INPUTNUM = 2;
	int iStepNum = 0;

	cout << "a b 2つの正の整数。(1≤a,b≤10の9乗)を入力して下さい" << endl;

	for( int i = 0; i<INPUTNUM; i++ )
	{
		cin >> iNum[i];
		if( iNum[i] < 1 || iNum[i] > 1000000000)
		{
			i--;
			cout << "a b ともに正の整数。(1≤a,b≤10の9乗)で入力すること" << endl;
		}
	}
	if( iNum[1]  / iNum[0] == 0 )
	{
		iStepNum = iNum[1] / iNum[0];
	}
	else
	{
		iStepNum = (iNum[1] / iNum[0]) + 1;
	}
	 cout << iStepNum << endl;
    return 0;
}