//Shejia Zhu
//2018-06-20

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    }

    public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    }

    public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int[] a = new int[n]; a new int[n] n for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
            a[i] = sc.nextInt();
        } {
            a[i] = sc.nextInt();
        } a[i] = sc.nextInt() a[i] a i sc.nextInt() sc.nextInt sc int count = 0; count 0 while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        } !(allOdd(a)) (allOdd(a)) allOdd a {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        } for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            } int i=0; int i=0; i 0 i<n i n i++ i++ i {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            } {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            } if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3; a[i]!=2 && a[i]%2 == 0 a[i]!=2 a[i] a i 2 a[i]%2 == 0 a[i]%2 a[i] a i 2 0 {
                    a[i] /= 2;
                    count++;
                } a[i] /= 2 a[i] a i 2 count++ count a[i] *= 3 a[i] a i 3 System.out.println(count) System.out.println System.out System System.out count String[] args args public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    } allOdd {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    } for (int i: a) {
            if (i%2 == 0)
                return false;
        } int i a {
            if (i%2 == 0)
                return false;
        } {
            if (i%2 == 0)
                return false;
        } if (i%2 == 0)
                return false; i%2 == 0 i%2 i 2 0 return false; false return true; true int[] a a public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    }

    public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    }

    public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    }
} Main
//Shejia Zhu
//2018-06-20

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] a = new int[n];
        for (int i=0; i<n; i++) {
            a[i] = sc.nextInt();
        }

        int count = 0;
        while (!(allOdd(a))) {
            for (int i=0; i<n; i++) {
                if (a[i]!=2 && a[i]%2 == 0) {
                    a[i] /= 2;
                    count++;
                }
                else
                    a[i] *= 3;
            }
        }

        System.out.println(count);
    }

    public static boolean allOdd (int[] a) {
        for (int i: a) {
            if (i%2 == 0)
                return false;
        }
        return true;
    }
}