提交者：@

#include <iostream>
using namespace std;
void cxk(int c,int n) {
	while (c--) {
		cout << n;
	}
	cout << endl;
}
int dlq(int basketball,int xhz) {
	if (basketball<0) {
		basketball-=2*basketball;
	}
	if (xhz<0) {
		xhz-=2*xhz;
	}
	return basketball-xhz;
}
int main() {
	int a,b,c;
	cin >> a >> b >> c;
	cxk(dlq(a,b),c);
	return 0;
}