tema 2/2

#include<stdio.h>


int main(){
    int n,f[10]={0};
    printf("nr: ");scanf("%d",&n);
    while(n){
        int cif=n%10;
        f[cif]++;
        n=n/10;
    }
    for(int i=0;i<=9;++i){
            if(f[i]%2==0 && f[i]!=0)
                    printf("%d ",i);

    }



}