#!/usr/bin/python3
def main():
        x=None
        y=None
        x=input("Δώσε αριθμό:")
        x=eval(x)
        print("x=",type(x))
        if(isinstance(x,int) or isinstance(x,float)):
                  print("x={}".format(x))
        else: 
                  print ("Not a number!")

if __name__=="__main__":
        main()