import std.stdio, std.string, std.conv;
import std.range, std.algorithm, std.array, std.typecons, std.container;
import std.math, std.numeric, core.bitop;



void main() {
    int y, m, d;
    scan(y, m, d);

    if (1989 < y && y < 2019) {
        writeln("Yes");
        return;
    }

    if (y == 1989) {
        if (m > 1) {
            writeln("Yes");
            return;
        }
        writeln(d >= 8 ? "Yes" : "No");
        return;
    }
    else if (y == 2019) {
        if (m < 4) {
            writeln("Yes");
            return;
        }
        writeln(m == 4 && d <= 30 ? "Yes" : "No");
        return;
    }
    else {
        writeln("No");
        return;
    }
}




void scan(T...)(ref T args) {
    import std.stdio : readln;
    import std.algorithm : splitter;
    import std.conv : to;
    import std.range.primitives;

    auto line = readln().splitter();
    foreach (ref arg; args) {
        arg = line.front.to!(typeof(arg));
        line.popFront();
    }
    assert(line.empty);
}


void fillAll(R, T)(ref R arr, T value) {
    static if (is(typeof(arr[] = value))) {
        arr[] = value;
    }
    else {
        foreach (ref e; arr) {
            fillAll(e, value);
        }
    }
}