Background

Description

输入一上表示星期几的数字，并输出对应的英文单词

1:Monday

2:Tuesday

3:Wednesday

4:Thursday

5:Friday

6:Saturday

7:Sunday

若是其他值，则输出“error”

Format

Input

Output

Samples

2

Tuesday

5

Friday

6

Saturday

10

error

Limitation

1s, 1024KiB for each test case.