function main(input = '') {
  if (!input) throw Error;

  let lines = input.split('\n');
  let [currentSteps, stepsPerFloor] = lines[0]
    .split(' ')
    .map((val) => parseInt(val));

  let currentFloor = Math.floor(currentSteps / stepsPerFloor) + 1;
  return `${currentFloor}`;
}

const { readFileSync, existsSync } = require('fs');
const stdin = '/dev/stdin';

if (existsSync(stdin)) {
  const input = readFileSync(stdin, 'utf8');
  console.log(main(input));
}

module.exports = main;