#include<stdio.h>
int main()
{
    int n,x,sum=0;
    scanf("%d %d",&n,&x);
    for(int i=1;i<=n;i++)
    {
        int j=i;
        while(j!=0)
        {
            if(j%10==x)
            {
                sum++;
            }
            j/=10;
        }
    }
    printf("%d",sum);
    return 0;
}
```


```

#include <stdio.h>
int main()
{
    int n,x;
    scanf("%d %d",&n,&x);
    int count=0;
	int num=0;

	for (int i=1;i<=n;i++){
		num=i;
		for (;num>0;){
			if (num%10==x)
			count++;
			num/=10;
		}
	}
	printf("%d",count);

	return 0;
}

#include <stdio.h>

int count(int n, int x)
{
    int count = 0;
    for (int i = 1; i <= n; i++)
    {
        int num = i;
        while (num)
        {
            if (num % 10 == x)
            {
                count++;
            }
            num /= 10;
        }
    }
    return count;
}

int main()
{
    int n, x;
    scanf("%d %d", &n, &x);
    printf("%d", count(n, x));
    return 0;
}