# Practice makes us perfect solution codechef

## Practice makes us perfect solution codechef

Most programmers will tell you that one of the ways to improve your performance in competitive programming is to practice a lot of problems.

Our Chef took the above advice very seriously and decided to set a target for himself.

• Chef decides to solve at least 1010 problems every week for 44 weeks.

Given the number of problems he actually solved in each week over 44 weeks as P1,P2,P3,P1,P2,P3, and P4P4, output the number of weeks in which Chef met his target.

### Input Format

There is a single line of input, with 44 integers P1,P2,P3,P1,P2,P3, and P4P4. These are the number of problems solved by Chef in each of the 44 weeks.

### Output Format

Output a single integer in a single line – the number of weeks in which Chef solved at least 1010 problems.

## Practice makes us perfect solution codechef

• 1P1,P2,P3,P41001≤P1,P2,P3,P4≤100

### Sample Input 1

12 15 8 10


### Sample Output 1

3


### Explanation

Chef solved at least 1010 problems in the first, second and fourth weeks. He failed to solve at least 1010 problems in the third week. Hence, the number of weeks in which Chef met his target is 33.

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### Sample Input 2

2 3 1 10


### Sample Output 2

1


## Practice makes us perfect solution codechef

Chef solved at least 1010 problems in the fourth week. He failed to solve at least 1010 problems in all the other three weeks. Hence, the number of weeks in which Chef met his target is 11.

### Sample Input 3

12 100 99 11


### Sample Output 3

4


### Explanation

Chef solved at least 1010 problems in all the four weeks. Hence, the number of weeks in which Chef met his target is 44.

## Practice makes us perfect solution codechef

1 1 1 1


### Sample Output 4

0


### Explanation

Chef was not able to solve at least 1010 problems in any of the four weeks. Hence, the number of weeks in which Chef met his target is 00.