let input = [
    '7 4',
    '1 5 4 7',
]

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);
const arr1 = gets().split(' ').map(Number);
const arr2 = gets().split(' ').map(Number);
const n = arr1[0];
const k = arr2[1];
class List {
    constructor() {
        this.items = []
    }
    add(item) {
        this.items.push(item);
    }
    get(index) {
        return this.items[index];
    }
    set(index, item) {
        return this.items[index] = item;
    }
    insert(index, item) {
        this.items.splice(index, 0, item);
    }
    remove(index) {
        this.items.splice(index, 1);
    }
    size() {
        return this.items.length;
    }
    values() {
        return [...this.items];
    }
}
let res = new List();
for (let i = 1; i <= n; i++) {
    res.add(i);
}

print(res.values());