#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define max_lenght 51

struct student{
    int id;
    char name[max_lenght];
    int age;
};
int main(){
    int n;
    if(scanf("%d",&n)!=1){
        return 1;
    }
    if(n<0){
        printf("Invalid input");
        return 0;
    }
    struct student*student=(struct student*)malloc(n*sizeof(struct student));
    if(students==NULL){
        return 1;
    }
    for(int i=0;i<n;i++){
        if(scanf("%d %50s %d",&students[i].id,students[i].name,&student[i].age)!=3){
            free(students);
            return 1;
        }
    }
    for(int i=0;i<n;i++){
        printf("ID: %D,Name: %s,Age: %d\n",students[i].id,students[i].name,students[i].age);
        free(students);
        return 0;
    }
}