#include<iostream>
using namespace std;
class TreasureChest{
private:
  string keyType;
  int number;
public:
void input(){
    cin>>keyType>>number;
    }
    bool isVaid(){
        return(number>=1&&number<=100);
    }
    void display(){
        cout<<keyType<<":"<<number<<endl;
    }
};
int main(){
    int n;
    cin>>n;
    if(n<1||n>50){
        cout<<"Invalid input";
        return 0;
    }
    TresureChest chest[n];
    for (int i=0;i<n;i++){
        chest[i].input();
    }
    for(int i=0;i<n;i++){
        if(chest[i].isValid()){
            chest[i].display();
        }
    }
    return 0;
}