text: function treasure(arr) {
      let checkTokelau =
          (x, y)=> x >= 8 && x <= 9 &&
              y >= 0 && y <= 1
      let checkTuvalu =
          (x, y)=> x >= 1 && x <= 3 &&
              y >= 1 && y <= 3
      let checkSamoa =
          (x, y)=> x >= 5 && x <= 7 &&
              y >= 3 && y <= 6
      let checkTonga =
          (x, y)=> x >= 0 && x <= 2 &&
              y >= 6 && y <= 8
      let checkCook =
          (x, y)=> x >= 4 && x <= 9 &&
              y >= 7 && y <= 8
      for (let i = 0; i < arr.length; i+=2) {
          let x = arr[i]
          let y = arr[i + 1]
  
          if(checkTokelau(x, y)) {
              console.log('Tokelau')
          }else if(checkTuvalu(x, y)) {
              console.log('Tuvalu')
          }else if(checkSamoa(x, y)) {
              console.log('Samoa')
          }else if(checkTonga(x, y)) {
              console.log('Tonga')
          }else if(checkCook(x, y)) {
              console.log('Cook')
          }else {
              console.log('On the bottom of the ocean')
          }
      }
  }
  
  treasure([6, 4])