c++tt

#include<iostream>
#include<string.h>
using namespace std;
int main()
{
	char a[110];
	cin>>a;
	int n = strlen(a);
	int cnt[1000] = {0};
	for(int i = 0;i<n;i++)
	{
		cnt[a[i]]++;
	}
	for(int i = 97;i<=122;i++)
	{
		if(cnt[i]>0)
		{
			cout<<(char)i<<":"<<cnt[i];
		}
	}

#include<iostream>
#include<string.h>
using namespace std;
int main()
{
char a[100];
	cin>>a;
	int len =strlen(a);
	for(int i= 0;i<len;i++)
	
	{
		if(a[i]>='a' && a[i]<='w'|| a[i]>='A' && a[i]<='W')
	{
		a[i]= a[i]+ 3;
	}
	else if(a[i]>='x'&& a[i]<='z'|| a[i]>='X'&& a[i]<='Z')
		{
		a[i]= a[i]- 23;
		}
	}
	for(int i= 0;i<len/2;i++)
	{
		char tmp = a[i];
a[i]= a[len-1-i];
a[len-1-i]= tmp;
}
for(int i = 0;i<len;i++)
{
	if(a[i]>='a'&& a[i]<='z')
	{
		a[i]= a[i]- 32;
	}
else if(a[i]>='A'&&a[i]<='z')
{
	a[i]= a[i]+ 32;
}
}
	cout<<a;

	
}