49. Given the values of a,b and x in the equation ax + b = y. Find the value of y.

Given the values of a,b and x in the equation ax + b = y. Find the value of y.
Sample Testcase :
INPUT
3 5 2
OUTPUT
11


a,b,x=(int(no) for no in input().split())
y=(a*x)+ b
print(y)