#include<ostream.hh>#include<string.h>
int main(){		int l1,k=0, i, l2,j,p; 	char s_num1[110], s_num2[110], s_ans[111]; 	int tens=0, ones, ans;	cin>>s_num1;	cin>>s_num2;	//cout<<(int) s_num1[0];	for(l1=0;s_num1[l1]!='\0';l1++);	for(l2=0;s_num2[l2]!='\0';l2++);	l1--;	l2--;	for(i=l1, j = l2;(i>=0)&&(j>=0);i--,j--){		ans = (int) s_num1[i] + (int) s_num2[j] + tens - 2*48;		ones=ans%10;		tens=ans/10;		s_ans[k] = ones + 48;		k++;	} 	while(i>=0){		cout<<"str 1 bigger\n";		ans = tens + (int) s_num1[i] -48;		ones=ans%10;		tens=ans/10;		s_ans[k] = ones + 48;		k++;		i--;	} 	while(j>=0){		cout<<"str2 biigger\n";		ans = tens + (int) s_num2[j] -48;		ones=ans%10;		tens=ans/10;		s_ans[k] = ones + 48;		k++;		j--;	} 	if(tens!=0)		s_ans[k++] = tens+48;	  	cout<<k<<endl;	for(p=k-1;p>=0;p--)		cout<<s_ans[p]; 	return 0;}#include<iostream>

int main()
{	
	int l1,k=0, i, l2,j,p; 
	char s_num1[110], s_num2[110], s_ans[111]; 
	int tens=0, ones, ans;
	cin>>s_num1;
	cin>>s_num2;
	//cout<<(int) s_num1[0];
	for(l1=0;s_num1[l1]!='\0';l1++);
	for(l2=0;s_num2[l2]!='\0';l2++);
	l1--;
	l2--;
	for(i=l1, j = l2;(i>=0)&&(j>=0);i--,j--){
		ans = (int) s_num1[i] + (int) s_num2[j] + tens - 2*48;
		ones=ans%10;
		tens=ans/10;
		s_ans[k] = ones + 48;
		k++;
	}
	
	while(i>=0){
		cout<<"str 1 bigger\n";
		ans = tens + (int) s_num1[i] -48;
		ones=ans%10;
		tens=ans/10;
		s_ans[k] = ones + 48;
		k++;
		i--;
	}
				
	while(j>=0){
		cout<<"str2 biigger\n";
		ans = tens + (int) s_num2[j] -48;
		ones=ans%10;
		tens=ans/10;
		s_ans[k] = ones + 48;
		k++;
		j--;
	}

	if(tens!=0)
		s_ans[k++] = tens+48;	
		

	cout<<k<<endl;
	for(p=k-1;p>=0;p--)
		cout<<s_ans[p];
	
	return 0;
}