Write a function passing_students(grades) where grades is a dictionary mapping student names to scores.
Return a new dictionary containing only students who scored 60 or above.

INPUT FORMAT

First line contains an integer $N (N <= 100)$ From the second line to the $N + 1$ line, each line contains a name and a score $(score <= 100)$, separated by a blank space

OUTPUT FORMAT

For all students who scored 60 or above, output a line contains its name and score, separated by a blank. The name should be outputed in the dictionary order.

SAMPLE

INPUT

3
Amy 95
Ben 57
Cara 78

OUTPUT

Amy 95
Cara 78