Problem with variable input in C program

I have a problem with the real variable. i can put age on the console instead of 20 in the course of the variables.

Code:

---

# include <stdio.h>
  # include <stdlib.h>

  int main (int arg, char * argv [])
  (
  long age = 0;
  printf ( "How old are you?");
  scanf ( "% ld", & age);
  printf ( "you really  ld% year \ n", & age);
    system ( "PAUSE");
    return 0;
  )

---

could you help me to solve this problem please?

do not pass the address instead of the value of your variable

Code:

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int age = 0;
  printf (what is your age:);
  scanf ( "% d", & age);
  printf ( "I% d years", age);

---

in Line 9, we should not put the ampersand to 'age' as% printf expects a value, not an address. This is what your declaration does not boot you if your variable are not declared.