#include <cstdio>#include <cstring>#include <cstdlib>using namespace std;char line[82];char space[82];int main() {    scanf("%s", line);    int len = strlen(line);    int side_size = (len + 2) / 3 - 1;    int last_size = len - side_size * 2;    int space_size= last_size - 2;    for (int i=0; i<space_size; i++) {        space[i] = ‘ ‘;    }        const char* p = line;    const char* q = line + len - 1;    for (int i=0; i<side_size; i++) {        printf("%c%s%c\n", *p++, space, *q--);    }    for (int i=0; i<last_size; i++) {        printf("%c", *p++);    }        return 0;}