#include <iostream>
using namespace std;
 
int main() {
 
	// (1)
	//     input: balance, r, holding_years
	//     output: balance for each year
	int balance = 100, r = 10, holding_years = 10;
	for (int i = 1; i <= holding_years; i++) {
		balance *= (1 + r / 100.0);
		cout << i << ": " << balance << endl;
	}
 
    // (2)
	//     input: balance, r, goal
	//     output: holding_years
	balance = 100;
	r = 10;
	int goal = 200;
 
	int n = 0;
	while (balance < goal) {
		balance *= (1 + r / 100.0);
		n++;
	}
	cout << "Holding years = " << n << endl;
	cout << "Balance = " << balance << endl;
 
	return 0;
}	

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