int main()
{
	char zfc[300],* ps;
	scanf("%s",zfc);
	int count;
	int zimushu=0;
	for(char ZM='A';ZM<='Z';ZM++)
	{
		count=0;
		for(ps=zfc;*ps!='\0';ps++)
		{
			if(*ps==ZM) count++;
		}
        if(count!=0)
		{
			printf("%c=%d\n",ZM,count);
			zimushu++;

		}
		
	}
    for(char zm='a';zm<='z';zm++)
	{
		count=0;
		for(ps=zfc;*ps!='\0';ps++)
		{
			if(*ps==zm) count++;
		}
        if(count!=0)
		{
			printf("%c=%d\n",zm,count);
			zimushu++;

		}
		
	}

	if (zimushu==0)
	{
		printf("No");
	}
	return 0;
}
