function armies(input) {
    let armies = []
    //Read input
    input.forEach(el => {

        //"{leader} arrives"
        if (el.includes('arrives')) {
            const leader = el.replace(' arrives', '');
            armies.push({ 'leader': leader })

            //"{leader}: {army name}, {army count}"
        } else if (el.includes(':')) {
            let [leader, army, count] = el.split(/\W /g);
            count = Number(count);
            armies.forEach(el => {
                if (el['leader'] === leader) {
                    el[army] = count;
                    if (!el.total) {
                        el.total = count;
                    } else {
                        el.total += count;
                    }
                }
            })

            //"{army name} + {army count}"
        } else if (el.includes('+')) {
            let [army, count] = el.split(' + ');
            count = Number(count);
            armies.forEach(el => {
                if (el.hasOwnProperty(army)) {
                    el[army] += count;
                    el.total += count;
                }
            })

            //"{leader} defeated"
        } else if (el.includes('defeated')) {
            const leader = el.replace(' defeated', '');
            armies.forEach((el, i) => {
                if (el['leader'] === leader) {
                    armies.splice(i, 1);
                }
            })
        }
    })
    //Sort total army count
    armies.sort((a, b) => b.total - a.total);

    //Print Output
    armies.forEach(el => {
        // Check if leader has no army
        if (!el.total) {
            el.total = 0
        };
        console.log(`${el['leader']}: ${el['total']}`);
        delete el.leader;
        delete el.total;
        // Sort distinct armies
        let arr = [];
        for (const [army, count] of Object.entries(el)) {
            arr.push([army, count])
        }
        arr.sort((a, b) => b[1] - a[1]);

        //Print army
        arr.forEach(el => console.log(`>>> ${el[0]} - ${el[1]}`));

    })
}