C-Programming

Evaluate an expression from console input and print its result. The format of expressions: Number Symbol Number Symbol Symbol Number = Number refers to an integer and Symbol refers to only either + or -. E.g., given input 1 + 2 3 + 4 =, the result should be 4. If the user only uses the "+" sign then 1+2+3+4 should be 10. If the user only uses the "-" sign then 1-2-3-4 should be -8. No other signs like / and * are allowed, anytime user inputs a sign apart from + or - the output should be = invalid symbols used