#include<bits/stdc++.h> using namespace std; int a[26]; string s; int main(){ getline(cin,s); int s_len=s.length(); for(int i=0;i<=s_len;i++){ char t=s[i]; if(islower(t)) t-=32; if(isalpha(t)) a[int(t-'A')]++; } for(int i=0;i<26;i++) cout<<char(i+'A')<<":"<<a[i]<<endl; return 0; }

#include<bits/stdc++.h> using namespace std; int a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,a11,a12,a13,a14,a15,a16,a17,a18,a19,a20,a21,a22,a23,a24,a25,a26; string a; int b; int main(){ getline(cin,a); b=a.length(); for(int i=0;i<b;i++){ if(a[i]'a'||a[i]'A')a1++; } cout<<"A:"<<a1<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'b'||a[i]'B')a2++; } cout<<"B:"<<a2<<endl; //----------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'c'||a[i]'C')a3++; } cout<<"C:"<<a3<<endl; //------------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'d'||a[i]'D')a4++; } cout<<"D:"<<a4<<endl; //------------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'e'||a[i]'E')a5++; } cout<<"E:"<<a5<<endl; //----------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'f'||a[i]'F')a6++; } cout<<"F:"<<a6<<endl; //--------------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'g'||a[i]'G')a7++; } cout<<"G:"<<a7<<endl; //------------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'h'||a[i]'H')a8++; } cout<<"H:"<<a8<<endl; //------------------------------------------------------------------ for(int i=0;i<b;i++){ if(a[i]'i'||a[i]'I')a9++; } cout<<"I:"<<a9<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'J'||a[i]'j')a10++; } cout<<"J:"<<a10<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'K'||a[i]'k')a11++; } cout<<"K:"<<a11<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'l'||a[i]'L')a12++; } cout<<"L:"<<a12<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'m'||a[i]'M')a13++; } cout<<"M:"<<a13<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'N'||a[i]'n')a14++; } cout<<"N:"<<a14<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'O'||a[i]'o')a15++; } cout<<"O:"<<a15<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'P'||a[i]'p')a16++; } cout<<"P:"<<a16<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'Q'||a[i]'q')a17++; } cout<<"Q:"<<a17<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'R'||a[i]'r')a18++; } cout<<"R:"<<a18<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'s'||a[i]'S')a19++; } cout<<"S:"<<a19<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'t'||a[i]'T')a20++; } cout<<"T:"<<a20<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'U'||a[i]'u')a21++; } cout<<"U:"<<a21<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'v'||a[i]'V')a22++; } cout<<"V:"<<a22<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'w'||a[i]'W')a23++; } cout<<"W:"<<a23<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'x'||a[i]'X')a24++; } cout<<"X:"<<a24<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'y'||a[i]'Y')a25++; } cout<<"Y:"<<a25<<endl; //---------------------------------------------------------------- for(int i=0;i<b;i++){ if(a[i]'z'||a[i]'Z')a26++; } cout<<"Z:"<<a26; //---------------------------------------------------------------- return 0; }