#![allow(non_snake_case, unused_imports, unused_mut, unused_variables)]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};

    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };

    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };

    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };

    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };

    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}

fn ceil(n: i32) -> i32 {
    (n as f32 / 10.0).ceil() as i32 * 10
}

fn main() {
    input! {
        v: [i32; 5],
    }

    let mut ans = 0;
    let mut min = 0;
    for (i, n) in v.iter().enumerate() {
        if (n % 10) != 0 && (n % 10) < (v[min] % 10) {
            min = i;
        }
        if (n % 10) == 0 {
            ans += v[i];
        }
    }

    for (i, n) in v.iter().enumerate() {
        if (n % 10) == 0 {
            continue;
        }
        if i != min {
            ans += ceil(v[i]);
        }
    }

    ans += v[min];

    println!("{}", ans);
}