\[\boxed{\mathbf{71.}}\]
\[431 + 1 = 432\]
\[127 + 1 = 128\]
\[653 + 1 = 654\]
\[206 + 1 = 207\]
\[301 + 1 = 302\]
\[904 + 1 = 905\]
\[510 + 1 = 511\]
\[260 + 1 = 261\]
\[190 + 1 = 191\]
\[129 + 1 = 130\]
\[459 + 1 = 460\]
\[719 + 1 = 720\]