#include<bits/stdc++.h>

using namespace std;

int n, sum[7]={0};

int main()

{

for(int i =1;i<=10;i++){

cin>>n;

if(n>=1&&n<=6)

sum[n]++;

else

sum[0]++;

}

for (int i=1;i<=6;i++)

cout<<"number"<<i<<":"<<sum[i]<<endl;

cout<<"error:"<<sum[0]<<endl;

return 0;

}