#include <iostream>
using namespace std;

void printNumberAsChars(double x, char charArray[]);
void printNumberAsChars(int x, char charArray[]);

int main() {
	char output[10] = { 'X', 'C', 'O', 'M', 'P', 'U', 'T', 'E', 'R', 'S' };
	double x = 5037;
	printNumberAsChars(x, output);
	cout << "\n\n";

	x = 398156.72;
	printNumberAsChars(x, output);
	cout << endl;

	return 0;
}

void printNumberAsChars(double x, char charArray[]) {
	int tmp = x;
	int decimalPart = 0;
	int coef = 1;

	while (x * coef - tmp != 0) {
		coef *= 10;
		tmp = x * coef;
		decimalPart *= 10;
		decimalPart += tmp % 10;
	}
	if (coef == 1) {
		printNumberAsChars((int)x, charArray);
		return;
	}
	printNumberAsChars(tmp / coef, charArray);
	cout << ".";
	printNumberAsChars(decimalPart, charArray);
}
void printNumberAsChars(int x, char charArray[]) {
	int xTrunc = x;
	int placeValue = 1;
	while (xTrunc >= 10) {
		placeValue *= 10;
		xTrunc /= 10;
	}

	for (int i = placeValue; i > 0; i /= 10) {
		cout << charArray[x / i];
		x %= i;
	}
}