function Main(input) {
    const input_data = input.split("\n");
    const first_line = input_data[0].split(" ");
    const a = BigInt(first_line[0]);
    const b = BigInt(first_line[1]);
    const result = b / a;
    const output = b % a !== 0 ? String(result) : String(result + BigInt(1));
    console.log(output);
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"));