#include <bits/stdc++.h>
using namespace std;

int main(){
    freopen("test1.txt","r",stdin);
    freopen("test2.txt","w",stdout);
	string A;
	getline(cin,A);
	cout << "Valoarea lui x este " << A << "\n";
	int litere = 0, operatori = 0, cifre = 0,sumacif=0;

	for(int i = 0; A[i]; i++){
		if(A[i] >= '0' && A[i] <='9') sumacif+=int(A[i]-48),cifre++;
		if((A[i]>='a' && A[i]<='z') || (A[i]>='A' && A[i]<='Z')) litere++;
		if(A[i]=='+' || A[i]=='-' || A[i]=='*' || A[i]=='/') operatori++;
	}

	if(litere) cout << "Litere sunt " << litere << '\n';
	else cout << "Nu sunt litere\n";

	if(cifre) cout << "Cifre sunt " << cifre << '\n' << "Suma cifrelor este " << sumacif << '\n' << "Media aritmetica este " << (1.0*sumacif)/cifre << '\n';
	else cout << "Nu sunt cifre\n" << "Nu exista suma si nici media\n";

	if(operatori) cout << "Operatori sunt " << operatori << '\n';
	else cout << "Nu sunt operatori\n";

	if(A.length()-litere-cifre-operatori) cout << "Alte semne sunt " << A.length()-litere-cifre-operatori << '\n';
	else cout << "Nu sunt alti operatori\n";

	string A1="";
	for(int i = 0; A[i];i++) if((A[i]>='0' && A[i]<='9') || (A[i]>='a' && A[i]<='z') || (A[i]>='A' && A[i]<='Z'))A1+=A[i];

	if(A1=="") cout << "Sirul = ""\n";
	else cout << "Sirul modificat este " << A1 << '\n';
}