use proconio::input;

fn main() {
    let contest_time: i32 = 6000;
    let problem_total: u8 = 7;
    
    input! {
        times: [i32; problem_total]
    }
    
    let mut rem: i32 = contest_time;
    for time in times {
        rem -= time;
        let ans = if rem >= 0 {
        	rem
        } else {
        	-1
        };
        println!("{}", ans);
    }
}