#!.usr/bin/python3

def main():
     x=input("Δώσε x:")
         print(type(x))
     x=eval(x)
     y=input("Δωσε y:")
     y=float(y)
     z=x+y
     if x>y
           print ("x>y")
     elif: x==y:
           print("x==y")
     else:
           print ("x<y")
              
     print ("z=",z)
if __name__=="__main__":
        main()