use proconio::input;
use reprol::math::div_ceil::DivCeil;

fn main() {
    input! {
        a: i64,
        b: i64,
    }
    let ans = b.div_ceil_(a);
    println!("{}", ans);
}

#[allow(dead_code)]
mod reprol {
    pub mod math {
        pub mod div_ceil {
            pub trait DivCeil {
                fn div_ceil_(self, rhs: Self) -> Self;
            }
            macro_rules! impl_integer {
                ($($ty:ident),*) => {$(
                    impl DivCeil for $ty {
                        #[allow(unused_comparisons)]
                        fn div_ceil_(self, rhs: Self) -> Self {
                            debug_assert!(self >= 0);
                            debug_assert!(rhs >= 1);
                            let d = self / rhs;
                            let r = self % rhs;
                            if r > 0 {
                                d + 1
                            } else {
                                d
                            }
                        }
                    }
                )*};
            }
            impl_integer! { u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize }
        }
    }
}