use proconio::input;

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

        let ans = if rem >= 0 {
            rem
        } else {
            -1
        };
        println!("{}", ans);
    }
}