const std = @import("std");
const print = std.debug.print;

pub fn main() !void {
    var alloc = std.heap.GeneralPurposeAllocator(.{}){};
    defer std.debug.assert(!alloc.deinit());
    var gpa = &alloc.allocator;

    const stdin = std.io.getStdIn().reader();

    var res: u32 = 0;

    var tmp: [256]u8 = undefined;
    while (try stdin.readUntilDelimiterOrEof(&tmp, '\n')) |line| {
        
    }

    print("{}\n", .{res});
}