学步园

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

string a, b;
int prim[40] = {1,2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113};
int x[30], y[30];
int main()
{
	while(cin >> a >> b, a != "0" && b != "0")
	{
		memset(x, 0, sizeof(x));
		memset(y, 0, sizeof(y));
		int j = 1, k  = 1;
		for(int i =  0; i < a.size(); i++)
		{
			if(a[i] != ',')
			{
				x[j] = x[j] * 10 + a[i] - '0';
			}
			else
				++j;
		}
		for(int i = 0; i < b.size(); i++)
		{
			if(b[i] != ',')
				y[k] = y[k] * 10 + b[i] - '0';
			else
				k++;
		}
		reverse(x+1, x+j+1);
		reverse(y+1, y+k+1);
		int  f = 0; 
		int m1 = j;
		int m2 = k;
		int t = 0; 
		if(m1 > m2)
		{
			swap(m1, m2);
			t = 1;
		}
		int z[30];
		for(int i = 0; i <= m1; i++)
		{
			z[i] = x[i] + y[i] + f;
			f = z[i] / prim[i];
			z[i] %= prim[i];
		}
		z[m1+1] = 0;
		for(int i = m1 + 1; i <= m2; i++)
		{
			int temp = 0;
			if(!t)
				temp = y[i];
			else
				temp = x[i];
			z[i] = temp + f;
			f = z[i] / prim[i];
			z[i] %= prim[i];
		}
		if(f)
			z[++m2] = f;
		for(int i = m2; i >0; i--)
		{
			printf(i==m2 ? "%d" : ",%d", z[i]);
		}
		putchar(10);
	}
	return 0;

}