function solve (arr) {

      let movies = [];


      for (let line of arr) {

          if (line.includes('addMovie')) {

            let name = line.split('addMovie ')[1];

            movies.push({name});


          } else if (line.includes('directedBy')) {

            let director = line.split('directedBy ')[1];

            let name = line.split(' directedBy')[0];

            movies.forEach(el => el.name === name ? el.director = director : false);


          } else if (line.includes('onDate')) {

            let date = line.split('onDate ')[1];

            let name = line.split(' onDate')[0];

            movies.forEach(el => el.name === name ? el.date = date : false);

          }


      }




      for (let el of movies) {

        if (Object.keys(el).length === 3) {

        let output = JSON.stringify(el);

        console.log(output);

        }

      }



    }