input

const getGets = (arr) => {
    let index = 0;

    return () => {
        const toReturn = arr[index];
        index += 1;
        return toReturn;
    };
};

const test = [

    '3',
    '2',
    '5',
    '1'
];


const gets = this.gets || getGets(test);
const print = this.print || console.log;


let input = gets();
let string = '';
let arr;

string += input;

arr = string.split(' ', string.length);


for (i = 0; i < arr.length; i++) {
    print(arr[i]);

}