#ifndef LOCAL_RUN
	#define NDEBUG
#endif
#ifdef GNU_DEBUG
	#define _GLIBCXX_DEBUG 1
	#define _GLIBCXX_DEBUG_PEDANTIC 1
	#define _GLIBCXX_SANITIZE_VECTOR 1
#endif
#include <bits/stdc++.h>
namespace {
#define mset(a, b) memset(&a, b, sizeof(a))
#define ALL(v) std::begin(v), std::end(v)
#define RANGE(a, l, r) (std::begin(a) + (l)), (std::begin(a) + ((r) + 1))
#define fir(i, a, b, ...) for (int i = (a), ##__VA_ARGS__; i <= (b); ++i)
#define firr(i, a, b, ...) for (int i = (a), ##__VA_ARGS__; i >= (b); --i)
#ifdef LOCAL_RUN
	template<class T> void dbgpr(const T& x) {std::cerr << x << std::endl;}
	template<class T, class... Args> void dbgpr(const T& x, const Args&... args) {std::cerr << x << ", ", dbgpr(args...);}
	template<class... Args> void dbgprint(const char* s, const Args&... args) {std::cerr << s << " = ", dbgpr(args...);}
	#define debug(...) dbgprint(#__VA_ARGS__, __VA_ARGS__)
	#define DEBUG if (true)
#else
	#define debug(...) void()
	#define DEBUG if (false)
#endif
typedef long long LL;
typedef long double LD;
typedef unsigned long long ULL;
template<class T> void rei(T& x) {
	bool f = false; int ch; x = 0;
	while (!isdigit(ch = getchar())) f = ch == '-';
	do x = x * 10 + (ch & 15); while (isdigit(ch = getchar()));
	if (f) x = -x;
}
template<class T1, class T2> bool cmax(T1& a, const T2& b) {return a < b ? a = b, true : false;}
template<class T1, class T2> bool cmin(T1& a, const T2& b) {return b < a ? a = b, true : false;}
using namespace std;

const int MAXN = 5e5 + 5;

int n, A, B;
array<bool, MAXN> S, T;

void realmain() {
	DEBUG freopen("ex_3.in", "r", stdin);
	DEBUG freopen("data.out", "w", stdout);
	rei(n), rei(A), rei(B);
	printf("%lld\n", ((LL)A * B + n - 1) / n);
	fir (i, 1, A) S[i - 1] = true;
	fir (i, 1, B, cur = 0) {
		if (T[cur]) cur++;
		assert(!T[cur]);
		T[cur] = true;
		cur = (cur + A) % n;
	}
	fir (i, 1, n) putchar('0' | S[i - 1]);
	puts("");
	fir (i, 1, n) putchar('0' | T[i - 1]);
	puts("");
}}
signed main(){return realmain(),0;}