View Code of Problem 69

#include<stdio.h>
int main()
{
	int x,y;
  	scanf("%d",&x);
  	if(x<1) y=x;
  	if(x>=1&&x<10)y=2*x-1;
  	if(x>=10)y=3*x-11;
  	printf("%d\n",y);
  	return 0;
}