function solve(arr) {

  let targets = arr.shift().split(' ').map(Number);

  let i = 0;

  let values = '';

  let shotTargets = [];

  let shotIndexes = [];

  let valueOfIndex = 0;

  let arrIncrease = [];

  // console.log(arr);


    while (arr[i] !== 'End') {

      let index = Number(arr[i]);

      // Keep in mind that you can't shoot a target, which is already shot. You also can't increase or reduce a target, which is considered shot.

      if (index < targets.length && !shotIndexes.includes(targets.indexOf(targets[index]))) {

        shotIndexes.push(index);

        arrIncrease = targets.slice();

        targets.forEach(num => num > targets[index] && !shotIndexes.includes(targets.indexOf(num)) ? targets[targets.indexOf(num)] -= targets[index] : false);

        valueOfIndex = arrIncrease[index];

        targets[index] = -1;

        arrIncrease.forEach(num => num <= valueOfIndex && !shotIndexes.includes(targets.indexOf(num)) && targets.indexOf(num) !== -1 ? targets[targets.indexOf(num)] += valueOfIndex : false);



      }

    i++;

    }

     shotTargets = targets.filter(num => num === -1);

      targets.forEach(num => values += `${num} `);

      console.log(`Shot targets: ${shotTargets.length} -> ${values}`);


  }