#include <iostream>
using namespace std;

int edinici(int);
int desetici(int);
int stotici(int);

int main() {
    int a=837;
    cout<<"edinici "<<edinici(a)<<endl;
    cout<<"desetici "<<desetici(a)<<endl;
    cout<<"stotici "<<stotici(a)<<endl;

    system ("pause");
    return 0;
}
int edinici(int a){
    return (a%100)%10;
}

int desetici(int a){
    return (a/10)%10;
}

int stotici(int a){
    return a/100;
}