Ninja E869120

Increasing E869120 (Ninja E869120)

E869120 You are good at alter ego.

Here are $N$ members of the PA Lab. But some of them may be E869120.

So you asked all the $N$ members of the PA Lab for their names. As a result, the $N$ members named themselves $S_1, S_2, S_3, \ dots, S_N$, respectively.

E869120 How many people did you split into? However, all members of the PA Lab shall honestly answer their names.

input

Input is given from standard input in the following format.

$N$ $S_1$ $S_2$ $S_3$ $\ ldots$ $S_N$

output

E869120 Please output the number of people you were split into. However, if you do not have E869120, please output "0".

However, insert a line break at the end.

Constraint

• $1 \ leq N \ leq 1000$
• $1 \ leq (length of S_i$ $) \ leq 100$
• $N$ is an integer.
• $S_i$ is a string consisting of numbers and uppercase letters.

Input example 1

Five E869120 TMJN E869120 TAISA YNYMXIAOLONGBAO

Output example 1

2

E869120 You are split into two.

Input example 2

3 SQUARE1001 MENCOTTON B2563125

Output example 2

0

E869120 Please output 0 when you are not there.

Input example 3

6 E8691200 E869121 E869122 E869123 E869124 E869125

Output example 3

0

Beware of impostors.

Example

Input

5 E869120 TMJN E869120 TAISA YNYMXIAOLONGBAO

Output

2

inputFormat

input

Input is given from standard input in the following format.

$N$ $S_1$ $S_2$ $S_3$ $\ ldots$ $S_N$

outputFormat

output

E869120 Please output the number of people you were split into. However, if you do not have E869120, please output "0".

However, insert a line break at the end.

Constraint

• $1 \ leq N \ leq 1000$
• $1 \ leq (length of S_i$ $) \ leq 100$
• $N$ is an integer.
• $S_i$ is a string consisting of numbers and uppercase letters.

Input example 1

Five E869120 TMJN E869120 TAISA YNYMXIAOLONGBAO

Output example 1

2

E869120 You are split into two.

Input example 2

3 SQUARE1001 MENCOTTON B2563125

Output example 2

0

E869120 Please output 0 when you are not there.

Input example 3

6 E8691200 E869121 E869122 E869123 E869124 E869125

Output example 3

0

Beware of impostors.

Example

Input

5 E869120 TMJN E869120 TAISA YNYMXIAOLONGBAO

Output

2

样例

5
E869120
TMJN
E869120
TAISA
YNYMXIAOLONGBAO

2