#include <stdio.h> //standard input/output
#include <stdlib.h> // standard library, malloc..


int main() {
    char c;
    scanf("%c", &c);
    char niza[101];
    int i = 0;
    niza[i++] = c;
    int momentalno_sme_na_cifra = 0;
    while(c != '?') {
        scanf("%c", &c);
        if(c >= '0' && c <= '9') { // ako karakterot sto e vnesen e cifra
            if(momentalno_sme_na_cifra == 1) {
                momentalno_sme_na_cifra = 0;
                printf("%c\n", c);
                continue;;
            }
            printf("%c", c);
            momentalno_sme_na_cifra = 1;
        }
        else if(momentalno_sme_na_cifra == 1) {
            momentalno_sme_na_cifra = 0;
            printf("\n");
        }

    }
}
// Wpoi28dkasjdla 22dskdlskfd!!!1fgfkgjdlfgkjgfjdlg90?
 //