import std.stdio;
import std.string, std.conv, std.array, std.algorithm;

void main(){
    int L = readln.chomp.to!int;
    int M = readln.chomp.to!int;
    int N = readln.chomp.to!int;

    int tmp = N;
    N %= 25;
    M += (tmp/25);

    tmp = M;
    M %= 4;
    L += (tmp/4);

    L %= 10;

    (N + M + L).writeln;
}