let input = ['1.92', '5']

let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

let itemPrice = +gets()
let whatIpaid = +gets()
let change = whatIpaid - itemPrice
let counter = 0;
change = change * 100;

if (change >= 100) {
    change = change / 100;
    counter = change;
    print(counter.toFixed(0) + " x 1 lev");
    change = (change * 100) % 100;

}
if (change >= 50) {
    change = change / 50;
    counter = change;
    print(counter.toFixed(0) + " x 50 stotinki");
    change = ((change * 50) % 50);


}
if (change >= 20) {
    change = change / 20;
    counter = change;
    print(counter.toFixed(0) + " x 20 stotinki");
    change = ((change * 20) % 20);

}
if (change >= 10) {
    change = change / 10;
    counter = change;
    print(counter.toFixed(0) + " x 10 stotinki");
    change = ((change * 10) % 10);

}
if (change >= 5) {
    change = change / 5;
    counter = change;
    if (counter != 0) {
        print(Math.floor(counter) + " x 5 stotinki");
    }
    change = ((change * 5) % 5);


}
if (change >= 2) {
    change = change / 2;
    counter = change;
    if (counter != 0) {
        print(Math.floor(counter) + " x 2 stotinki");
    }
    change = ((change * 2) % 2);
}

if (change >= 1) {
    change = change / 1;
    counter = change;
    if (counter != 0) {
        print(counter + " x 1 stotinki");
    }
    change = ((change * 1) % 1);
}

/*
Input
1.92
5
Output
3 x 1 lev
1 x 5 stotinki
1 x 2 stotinki
1 x 1 stotinka

/usr/local/bin/node scripts/main.js
3 x 1 lev
1 x 5 stotinki
1 x 2 stotinki
1 x 1 stotinki

Test case #2: Wrong Answer [0.006 s, 7.78 MB]
Your output (clipped)
3 x 1 lev
1 x 5 stotinki
1 x 2 stotinki
1 x 1 stotinki

*/