include <stdio.h>

include <stdlib.h>

define Lenth 999

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main()
{
char str1[Lenth];
char a;
int i;
int rear=0;
int num=0;

gets(str1);
scanf("%c",&a);

for(i=0;i<Lenth;i++) //定位字符数组末尾
{
if(str1[i]=='\0')
{
rear=i;
break;
}
}

for(i=0;i<rear;i++) //定位字符数组末尾
{
if(str1[i]==a || str1[i]==a+32 || str1[i]==a-32 ) //不区分大小写
{
num++;
}
}

printf("%d",num);

//while(1);

}