fn main() { let (a, b, c) = get::tuple3::<u64,u64,u64>(); let cycle = a-1 + b; let (nc, nr) = ((c / cycle) * a, c % cycle); let ans = nc + if nr < a {nr} else {a}; println!("{}", ans) } #[allow(dead_code)] mod get { use std::io::*; use std::str::*; pub fn val<T: FromStr>() -> T { let mut buf = String::new(); let s = stdin(); s.lock().read_line(&mut buf).ok(); buf.trim_right().parse::<T>().ok().unwrap() } pub fn vals<T: FromStr>(n: usize) -> Vec<T> { let mut vec: Vec<T> = vec![]; for _ in 0 .. n { vec.push(val()); } vec } pub fn tuple<T1: FromStr, T2: FromStr>() -> (T1, T2) { let mut buf = String::new(); let s = stdin(); s.lock().read_line(&mut buf).ok(); let mut it = buf.trim_right().split_whitespace(); let x = it.next().unwrap().parse::<T1>().ok().unwrap(); let y = it.next().unwrap().parse::<T2>().ok().unwrap(); (x, y) } pub fn tuples<T1: FromStr, T2: FromStr>(n: usize) -> Vec<(T1, T2)> { let mut vec: Vec<(T1, T2)> = vec![]; for _ in 0 .. n { vec.push(tuple()); } vec } pub fn tuple3<T1: FromStr, T2: FromStr, T3: FromStr>() -> (T1, T2, T3) { let mut buf = String::new(); let s = stdin(); s.lock().read_line(&mut buf).ok(); let mut it = buf.trim_right().split_whitespace(); let x = it.next().unwrap().parse::<T1>().ok().unwrap(); let y = it.next().unwrap().parse::<T2>().ok().unwrap(); let z = it.next().unwrap().parse::<T3>().ok().unwrap(); (x, y, z) } pub fn tuple3s<T1: FromStr, T2: FromStr, T3: FromStr>(n: usize) -> Vec<(T1, T2, T3)> { let mut vec: Vec<(T1, T2, T3)> = vec![]; for _ in 0 .. n { vec.push(tuple3()); } vec } pub fn list<T: FromStr>() -> Vec<T> { let mut buf = String::new(); let s = stdin(); s.lock().read_line(&mut buf).ok(); buf.trim_right().split_whitespace().map(|t| t.parse::<T>().ok().unwrap()).collect() } pub fn lists<T: FromStr>(h: usize) -> Vec<Vec<T>> { let mut mat: Vec<Vec<T>> = vec![]; for _ in 0 .. h { mat.push(list()); } mat } pub fn chars() -> Vec<char> { let mut buf = String::new(); let s = stdin(); s.lock().read_line(&mut buf).ok(); buf.trim_right().chars().collect() } }