#include<iostream>
#include<cstdio>
#include<algorithm>

using namespace std;

int main(){
	int temp,ch=0;
	int id[1001]={},index=0;
	while(scanf("%d,%d",&index,&temp)!=EOF){
		id[index]++;
		//printf("id[%d]=%d\n",index,id[index]);
	}
	for(int i=0;i<1001;i++){
		if(id[i]>1){
			printf("%d %d\n",i,id[i]);
			ch=1;
		}
	}
	if(ch==0)
	printf("\n");
}
