
import java.util.*;
class Main {
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int cnt[] = new int[26];
        String alphabet="abcdefghijklmnopqrstuvwxyz";
        for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        }
        char ch;
        while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        }
        for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        }
        scan.close();

    }
} import java.util.*; util.* java class Main {
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int cnt[] = new int[26];
        String alphabet="abcdefghijklmnopqrstuvwxyz";
        for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        }
        char ch;
        while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        }
        for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        }
        scan.close();

    }
} Main public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int cnt[] = new int[26];
        String alphabet="abcdefghijklmnopqrstuvwxyz";
        for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        }
        char ch;
        while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        }
        for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        }
        scan.close();

    } main {
        Scanner scan = new Scanner(System.in);
        int cnt[] = new int[26];
        String alphabet="abcdefghijklmnopqrstuvwxyz";
        for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        }
        char ch;
        while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        }
        for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        }
        scan.close();

    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int cnt[] = new int[26]; cnt new int[26] 26 String alphabet="abcdefghijklmnopqrstuvwxyz"; alphabet "abcdefghijklmnopqrstuvwxyz" for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        } int i=0; int i=0; i 0 i<26 i 26 i++ i++ i {
            cnt[i]=0;
        } {
            cnt[i]=0;
        } cnt[i]=0 cnt[i] cnt i 0 char ch; ch while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        } scan.hasNext() scan.hasNext scan {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        } String text = scan.next(); text scan.next() scan.next scan for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            } int i=0; int i=0; i 0 i<text.length() i text.length() text.length text i++ i++ i {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            } {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            } ch=text.charAt(i) ch text.charAt(i) text.charAt text i int n=ch-'A'; n ch-'A' ch 'A' if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                } n<64 && n>=0 n<64 n 64 n>=0 n 0 {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                } n=n%32 n n%32 n 32 if(n>=0 && n<26) {
                        cnt[n]++;
                    } n>=0 && n<26 n>=0 n 0 n<26 n 26 {
                        cnt[n]++;
                    } cnt[n]++ cnt[n] cnt n for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        } int i=0; int i=0; i 0 i<26 i 26 i++ i++ i {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        } {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        } System.out.println(alphabet.charAt(i)+" : "+cnt[i]) System.out.println System.out System System.out alphabet.charAt(i)+" : "+cnt[i] alphabet.charAt(i)+" : "+cnt[i] alphabet.charAt(i) alphabet.charAt alphabet i " : " cnt[i] cnt i scan.close() scan.close scan String[] args args

import java.util.*;
class Main {
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        int cnt[] = new int[26];
        String alphabet="abcdefghijklmnopqrstuvwxyz";
        for(int i=0; i<26; i++)
        {
            cnt[i]=0;
        }
        char ch;
        while(scan.hasNext())
        {
            String text = scan.next();
            for(int i=0; i<text.length(); i++)
            {
                ch=text.charAt(i);
                int n=ch-'A';
                if(n<64 && n>=0) {
                    n=n%32;
                    if(n>=0 && n<26) {
                        cnt[n]++;
                    }
                }
            }
        }
        for(int i=0; i<26; i++)
        {
            System.out.println(alphabet.charAt(i)+" : "+cnt[i]);
        }
        scan.close();

    }
}