C :

#include <stdio.h>
struct person {
	int num;
	char name[10];
	char sex;
	char job;
	union {
		int class;
		char position[10];
	}category;
}person[100];
int main() {
	int n, i;
	scanf("%d", &n);
	for (i = 0;i < n;i++) {
		scanf("%d %s %c %c", &person[i].num, person[i].name, &person[i].sex, &person[i].job);
		if (person[i].job == 's') {
			scanf("%d", &person[i].category.class);
		} else {
			scanf("%s", person[i].category.position);
		}
	}
	for (i = 0;i < n;i++) {
		printf("%d %s %c %c ", person[i].num, person[i].name, person[i].sex, person[i].job);
		if (person[i].job == 's')
			printf("%d\n", person[i].category.class);
		else
			printf("%s\n", person[i].category.position);
	}
	return 0;
}

C++ :

#include <stdio.h>
int main ()
{
     struct hero
        {
            int cla;
            char position[10];
        } c;
    typedef struct
    {
        int num;
        char name[10];
        char sex;
        char job;
         struct hero c;
    } student;
    student a;
    int n;
    scanf("%d",&n);
    while (n--)
    {
        scanf("%d%s %c %c ",&a.num,a.name,&a.sex,&a.job);
        if ('s'==a.job)
        {
            scanf("%d",&a.c.cla);
            printf("%d %s %c %c %d\n",a.num,a.name,a.sex,a.job,a.c.cla);
        }
        else
        {
            scanf("%s",a.c.position);
            printf("%d %s %c %c %s\n",a.num,a.name,a.sex,a.job,a.c.position);
        }
    }
    return 0;
}

Pascal :

var
  i,n:longint;
  m:string;
begin
  readln(n);
  for i:=1 to n do
  begin
  readln(m);
  writeln(m);
  end;
end.