const MOD: usize = 1e9 as usize + 7; fn power_mat(target: &Vec>, times: usize) -> Vec> { let n = target.len(); if times == 0 { let mut ret = vec![vec![0usize; n]; n]; for i in 0..n { ret[i][i] = 1; } return ret; } if times == 1 { return target.clone(); } let temp = power_mat(target, times/2); if times % 2 == 1 { calc_mat(&calc_mat(&temp, &temp), target) } else { calc_mat(&temp, &temp) } } fn calc_mat(left: &Vec>, right: &Vec>) -> Vec> { let sizei = left.len(); let sizej = right[0].len(); let sizek = left[0].len(); let mut ret = vec![vec![0usize; sizej]; sizei]; for i in 0..sizei { for j in 0..sizej { ret[i][j] = (0..sizek).map(|k| left[i][k] * right[k][j] % MOD).sum::() % MOD; } } ret } fn main() { let mut ab = String::new(); std::io::stdin().read_line(&mut ab).ok(); let ab: Vec = ab.trim().split_whitespace().map(|s| s.parse().unwrap()).collect(); let a = ab[0]; let b = ab[1]; let mut n = String::new(); std::io::stdin().read_line(&mut n).ok(); let n: usize = n.trim().parse().unwrap(); let queries = (0..n).map(|_| { let mut temp = String::new(); std::io::stdin().read_line(&mut temp).ok(); let temp: usize = temp.trim().parse().unwrap(); temp }) .collect::>(); let op1 = vec![vec![1,0,0], vec![0,1,0], vec![a,b,1]]; let op2 = vec![vec![0,0,1],vec![1,0,0],vec![0,0,0]]; let op = calc_mat(&op2, &op1); let base = vec![vec![1],vec![1],vec![0]]; for &t in queries.iter() { let op = power_mat(&op, t/2); let op = if t % 2 == 0 { op } else { calc_mat(&op1, &op) }; let res = calc_mat(&op, &base); println!("{}", res.iter().map(|v| v[0]).sum::() % MOD); } }