# 存储所有学生数据 students = [] for _ in range(50): data = input().split() student_id = data[0] score = int(data[1]) students.append((student_id, score)) # 筛选并输出成绩≥80的学生 for student in students: if student[1] >= 80: print(f"{student[0]} {student[1]}")