#include<bits/stdc++.h>
using namespace std;
int jw[6]={2,3,5,7,11,13};
bool flag=0;
char A[100],B[100],a[100],b[100],c[200],ans[300];
int main(){
	scanf("%s",c);
	int cl=strlen(c),al=0,bl=0;
	for(int i=0;i<cl;i++){
		if(flag==0&&c[i]!='+'){
			al++;
			a[i]=c[i];
		} 
		else if(flag==1&&c[i]!='+'){
			bl++;
			b[i-al-1]=c[i];	
		}
		else if(c[i]=='+') flag=1;
	}
	if(al>bl) cl=al;
	else cl=bl;
	al=bl=0;
	for(int i=cl-1;i>=0;i--){
		if(a[i]!=','){
			al++;
			A[al]=a[i];
		}
		if(b[i]!=','){
			bl++;
			B[bl]=b[i];
		}
	}
	if(al>bl) cl=al;
	else cl=bl;
	for(int i=cl-1;i>=0;i--){
		ans[i]=A[i]+B[i];
		if(ans[i]>=jw[i]){
			ans[i-1]+=ans[i]/jw[i];
			ans[i]%=jw[i];
		}
	}
	//for(int i=cl-1;i>=0;i--) printf("%d ",ans[i]);
	//printf("\n");
	bool tp=0;
	for(int i=cl-1;i>=0;i--){
		if(tp==0){
			if(ans[i]<=9) printf("%d",ans[i]);
			else if(ans[i]==10) printf("A");
			else if(ans[i]==11) printf("B");
			else if(ans[i]==12) printf("C");
			else if(ans[i]==13) printf("D");
			tp=1;
		}
		else{
			if(ans[i]<=9) printf(",%d",ans[i]);
			else if(ans[i]==10) printf(",A");
			else if(ans[i]==11) printf(",B");
		} 
	}
	return 0;
}