#include <stdio.h>
#include <ctype.h>

int main() {
    char c;
    while ((c=getchar()) != '\n')
    {
        if (isalpha(c))
            putchar(c);
        else if (isdigit(c))
    {
            putchar(c);
            putchar(c);
    }
        else
    {
            putchar(c);
            putchar(c);
            putchar(c);
    }
    }
    
    return 0;
}