#include <iostream>
#include <string>

std::string dec_to_unary(const int src) {
	std::string str;
	for(int i = 0; i < src; ++i)
		str += "1";
	return str;
}

int main(void) {
	
	int c_arr[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
	const int c_arr_size = sizeof(c_arr)/sizeof(int);
	
	for(size_t i = 0; i < c_arr_size; ++i)
		std::cout << dec_to_unary(c_arr[i]) << ((i+1 < c_arr_size)?",":"\n");

	return 0;
}