#include <stdio.h>
#include <string.h>
int main() {
char str[] = "両津勘吉", *s, *a, *b;
int i = 2;
a = b = str+strlen(str)-2;
do {
if (a == str) i = -i;
for(s = str; *s; s++)
if (s == a || s == a+1) putchar(*s);
else putchar(' ');
putchar('\n');
a -= i;
} while (a <= b);
return 0;
}