//also use arr.reverse
function processData(input) {
let arr = input.split("\n")[1].split(" ").map(Number)
let n = input.split("\n")[0]
let neg = 0 , pos = 0 ,zero = 0;
arr.forEach(num => {
switch ((Math.sign(num)) ){
case 1:
pos++
break;
case -1:
neg++
break;
default:
zero++
break;
}
});
console.log(pos/n);
console.log(neg/n);
console.log(zero/n);
}
process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
_input += input;
});
process.stdin.on("end", function () {
processData(_input);
});
