"use strict";
function Main(input) {
    let StrSize, HouseFloor;
    [StrSize, HouseFloor] = input.split(" ").map(i => BigInt(i));
    const ans = StrSize / HouseFloor;
    console.log(String(ans));
}
//テストの入力を受け取る
Main(require("fs").readFileSync("/dev/stdin", "utf8"));
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