function solve (input) {

  let kg = Number(input[0]);
  let type = input[1];
  let km = Number(input[2]);
  let kmPrice = 0;
  let addCost = 0;
  let sum = 0;


  switch(type){
      case "standard":
          if (kg < 1) {
              kmPrice = 0.03;
              sum = km * kmPrice;
          } else if (kg < 10) {
              kmPrice = 0.05;
              sum = km * kmPrice;
          } else if (kg < 40) {
              kmPrice = 0.1;
              sum = km * kmPrice;
          } else if (kg < 90) {
              kmPrice = 0.15;
              sum = km * kmPrice;
          } else if (kg < 150) {
              kmPrice = 0.2;
              sum = km * kmPrice;
          }
          break;
      case "express":
        if (kg < 1) {
            kmPrice = 0.03;
            addCost = 0.8;
            sum = km * kmPrice + (km * (kg * (kmPrice * addCost)));
        } else if (kg < 10) {
            kmPrice = 0.05;
            addCost = 0.4;
            sum = km * kmPrice + (km * (kg * (kmPrice * addCost)));
        } else if (kg < 40) {
            kmPrice = 0.1;
            addCost = 0.05;
            sum = km * kmPrice + (km * (kg * (kmPrice * addCost)));
        } else if (kg < 90) {
            kmPrice = 0.15;
            addCost = 0.02;
            sum = km * kmPrice + (km * (kg * (kmPrice * addCost)));
        } else if (kg < 150) {
            kmPrice = 0.2;
            addCost = 0.01;
            sum = km * kmPrice + (km * (kg * (kmPrice * addCost)));
        }
        break;

  }


console.log(`The delivery of your shipment with weight of ${kg.toFixed(3)} would cost ${sum.toFixed(2)} lv.`)

}