SOURCE

var arr = [1,7,14,23,24,27,34,56,49,63,77,71,72,74,87,]
// var newArr = arr.filter(item=>{
//     return ( item % 7 == 0 || item % 10 ==7)
// })
// console.log(newArr)

let newArr= [];
let Arr = [];
arr.forEach(item=>{
     if( item % 7 == 0 || item % 10 ==7 ||item >69 && item<80){
         newArr.push(item)
     }else{
         Arr.push(item)
     }
})
console.log(Arr)
console.log(newArr)