iostream.d

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

class iostream {
    string[] s = new string[0];
    uint i = 0;
    string getline() {
        return chomp(readln());
    }
    string next() {
        if(i < s.length) return s[i++];
        string st = getline();
        while(st == "") st = getline();
        s = split(st);
        i = 0;
        return next();
    }
    T next(T)() {
        return to!T(next());
    }
}

void main() {
    iostream ios = new iostream();
    int a = ios.next!int();
    int b = ios.next!int();
    writeln(a + b);
}