Sum (functions)

Implement the function:

integer solve(integer a, integer b)

• a - first number;

• b - second number;

• function must return one number - the sum of two numbers.

Input

Two integers a and b (10^18 ≤ a, b ≤ 10^18) - numbers that should be added.

Output

One number will be printed - the sum of two numbers.

Examples