ProgramID- 8101
SkillRack
Calculate Park Entrance Fee

In a park, they charge X rupees for adults and Y rupees for kids for entry. The program must accept two integers A and B as the input(where A is the number of adults and B is the number of kids). The program must print the total amount charged as the output.

Example Input/Output 1:
Input:
100 50
2 3

Output:
350

Example Input/Output 2:
Input:
30 10
4 5

Output:
170


Max Execution Time Limit: 4000 millisecs