#!/usr/bin/env node

const pathOr = require('ramda/src/pathOr');

let input = [];

process.stdin.resume();
process.stdin.setEncoding('utf8');

process.stdin.on('data', (data) => {
  input.push(data);
});

process.stdin.on('end', () => {
  const str = input.join('');

  const events = JSON.parse(str);

  const pages = events
    .map(({ node }) => node)
    .filter(({ __typename }) => __typename == 'Page');

  console.log(JSON.stringify(pages));
});