// editor3
#include<iostream>
#include<string>
using namespace std;
class TreasureChest{
    private:
    string keyType;
    int mysteryNumber;
    public:
    void setDetails(string k,int n)
    {
        keyType=k;
        mysteryNumber=n;
    }
    string getKeyType()
    {
        return keyType;
    }
    int getMysteryNumber()
    {
        return mysteryNumber;
    }
    bool isValid()
    {
        return(mysteryNumber>=1 && mysteryNumber<=100);
    }
    static void diplay(TreasureChest &chest)
    
    {
    cout<<chest.getkeyType()<<":"<<chest.getMysteryNumber()<<endl;)
}};
int main()
{
    int n;
    cin>>n;
    if(n<1||n>50)
    {
        cout<<"Invalid input";
        return 0;
    }
    TreasureChest chests[50];
    for(int i=0;i<n;i++)
    {
        string key;
        int num;
        cin>>key>>num;
        if(num<1||num>100)
        {
            continue;
        }
        chests[i].setDetails(key,num);}
        for(int i=0;i<n;i++)
        { 
            if(chests[i].isValid())
            {
                TreasureChest::display(chest[i]);
            }
    }
    return 0;
}