# include <stdio.h> int main() { int m, n; scanf("%d %d", &n, &m); char a[n][m], b[n][m]; for (int i=0;i<n;i++){ for (int j=0;j<m;j++){ scanf(" %c", &a[i][j]); } } for (int i=0;i<n;i++){ for (int j=0;j<m;j++){ b[i][j]=a[n-1-i][m-1-j]; } } // output r...