PROGRAMMING:Stop teaching
At the beginning of 2020, after the outbreak of New Coronavirus pneumonia, we implemented the Ministry of education, the Shandong provincial education department and the school on the requirement of "ceasing teaching and ceasing classes." all the teachers in our school, under the arrangement of their respective colleges, took advantage of the "longest winter vacation in history" to effectively utilize the MOOC and online schools in China. Wisdom tree and Online Courses Platform of colleges and universities in Shandong Province actively carry out various forms of online teaching, guide students to carry out online learning, and ensure the progress and quality of teaching during the period of epidemic prevention and control.
According to the total class hours and times of a certain teacher, please help to calculate the online teaching minutes of the teacher.
###Input format:
Give two integers in a row that are both less than 100 and greater than 0, separated by spaces. The first integer represents the total class hours of the course, one class hour is 45 minutes; The second integer represents the number of times the course was taught.
###Output format:
Output the total minutes of online teaching.
###Input example:
```in
64 3
```
###Output sample
```out
eight thousand six hundred and forty
```
answer：If there is no answer, please comment
According to the total class hours and times of a certain teacher, please help to calculate the online teaching minutes of the teacher.
###Input format:
Give two integers in a row that are both less than 100 and greater than 0, separated by spaces. The first integer represents the total class hours of the course, one class hour is 45 minutes; The second integer represents the number of times the course was taught.
###Output format:
Output the total minutes of online teaching.
###Input example:
```in
64 3
```
###Output sample
```out
eight thousand six hundred and forty
```
answer：If there is no answer, please comment