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#include <stdio.h>int main(){    unsigned long n;    unsigned long count=0;    scanf("%ld", &n);    while(n != 1) {        if(n == 3) {            count += 2;            n = 1;        } else if(n%2 == 0) {            n /= 2;            count++;        } else if((n+1)%4 == 0) {            n = (n+1)/4;            count += 3;        } else if((n-1)%4 == 0) {            n = (n-1)/4;            count += 3;        }    }    printf("%ld", count+1);    return 0;}