#include<stdio.h>
int main(){
    int  id;
    char name[20];
    int age;
    
}mugesh;

int main(){
    int size,ind;
    scanf("%d",&size);
    if(size=0){
        printf("Invalid input ");
        return 0;
    }
    mugesh stud[size];
    for(ind=0;ind<size;ind++){
        scanf("%d",&stud[ind].id);
        scanf("%d",&stud[ind].name);
        scanf("%d",&stud[ind].age);
    }
}