#include<bits/stdc++.h>
using namespace std;
void cpy(int a[],int b[], int offset){
	for(int i = 1;i <= a[0];i++)
		b[i+offset] = a[i];
	b[0] = offset+a[0];
}
bool cmp(int a[], int b[]){
	for(int i = 1;i <= a[0];i++){
		if(a[i] > b[i])	return true;
		if(a[i] < b[i])	return false;
	}
	return true;
}
void sub(int a[], int t[]){
	for(int i = 1;i <= a[0];i++){
		if(a[i] < t[i]){
			a[i-1]--;
			a[i] += 10;
		}
		a[i] -= t[i];
	}
}
int main() {
	string s1, s2;
	cin >> s1 >> s2;
	int a[5050] = {0}, b[5050] = {0}, c[5050] = {0};
	a[0] = s1.size(), b[0] = s2.size();
	for(int i = 1;i <= a[0];i++)
		a[i] = s1[i-1]-'0';
	for(int i = 1;i <= b[0];i++)
		b[i] = s2[i-1]-'0';
	c[0] = a[0] - b[0] + 1;
	int t[11000] = {0};
	for(int i = 1;i <= c[0];i++){
		memset(t, 0, sizeof(t));
		cpy(b, t, i-1);
		a[0] = t[0];
		while(cmp(a, t)){
			sub(a, t);
			c[i]++;
		}
	}
	bool flag = false;
	for(int i = 1;i <= c[0];i++){
		if(c[i] != 0 && !flag){	 cout << c[i];flag = true;	}
		else if(flag)	cout << c[i];
	}
	if(!flag)	cout << 0;
	cout << endl;
	flag = false;
	for(int i = 1;i <= a[0];i++){
		if(a[i] != 0 && !flag){	 cout << a[i];flag = true;	}
		else if(flag)	cout << a[i];
	}
	if(!flag)	cout << 0;
	return 0;
}