I need this program done in C

Please do the entire code

And please edit the code that i gave

No other form will work

Also provide screenshot please

The "Russian Peasant's Algorithm" uses division and multiplication by 2 (which can be done using bit operations) repeatedly to calculate the product of two integers. This is the pseudo-code to the algorithm; please translate it to C, and put it in the function multiply in multiply.c //Integers a and b are provided. res-0 while b 0: res +# a a=a