function solve(input){

let [totalVoters, firstPercent, secondPercent, notGoing] = input

console.log(`Party 28.02: ${(100 / totalVoters) * firstPercent}%`);
console.log(`Party 06.03: ${(100 / totalVoters) * secondPercent}%`);
console.log(`Not going: ${(100 / totalVoters) * notGoing}%`);

}solve([20, 10, 5, 5])