12A - Super Agent.cpp

//4264533   Aug 11, 2013 11:29:23 AM	fuwutu	 12A - Super Agent	 GNU C++0x	Accepted	 30 ms	 0 KB
#include <cstdio>

int main()
{
    char symbols[3][4];
    scanf("%s%s%s", symbols[0], symbols[1], symbols[2]);
    printf(symbols[0][0] == symbols[2][2] && symbols[0][1] == symbols[2][1] && symbols[0][2] == symbols[2][0] && symbols[1][0] == symbols[1][2] ? "YES\n" : "NO\n");
    return 0;
}