# simple sum program

# Output:
# 15
#

# Exit:
# 0

# Program:

begin
  int sum(int a, int b) is 
    return a + b
  end

  int main() is
    int a = 5 ;
    int b = 10 ;
    int result = call sum(a, b) ;
    println result ;
    return 0
  end

  int result = call main() ;
  exit result
end
